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id="block_7-0" class="comp block block-small " data-doc-id="4161315" href="https://www.thoughtco.com/deep-sea-exploration-4161315" data-ordinal="7"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/b5L6gLnmzY8HdTTdmZ-Ldi2uvf0=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/deepsee-deep-diving-submersible-in-dark-with-lights-on--cocos-island--costa-rica---pacific-ocean-128123437-5ac133500e23d900367aa193.jpg" width="219" height="146" alt="DeepSee deep diving submersible in dark with lights on; Cocos Island, Costa Rica - Pacific Ocean" class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/b5L6gLnmzY8HdTTdmZ-Ldi2uvf0=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/deepsee-deep-diving-submersible-in-dark-with-lights-on--cocos-island--costa-rica---pacific-ocean-128123437-5ac133500e23d900367aa193.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="DeepSee deep diving submersible in dark with lights on; Cocos Island, Costa Rica - Pacific Ocean" /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Marine Life"></div> <span class="block-title">Deep Sea Exploration History and Technology</span> </div> </a></li> <li id="block-list-item_8-0" class="comp block-list-item mntl-block g-item"><a id="block_8-0" class="comp block block-small " data-doc-id="4160066" href="https://www.thoughtco.com/how-to-kill-mosquitoes-4160066" data-ordinal="8"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/A3CYBYfOl3q68p7fJN9p6xPvMw8=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/dead-mosquito---2-157293242-5a9edac0fa6bcc0037220151.jpg" width="219" height="146" alt="Most people believe the only good mosquito is a dead mosquito." class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/A3CYBYfOl3q68p7fJN9p6xPvMw8=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/dead-mosquito---2-157293242-5a9edac0fa6bcc0037220151.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Most people believe the only good mosquito is a dead mosquito." /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Basics"></div> <span class="block-title">How to Kill Mosquitoes: What Works and What Doesn't</span> </div> </a></li> <li id="block-list-item_9-0" class="comp block-list-item mntl-block g-item"><a id="block_9-0" class="comp block block-small " data-doc-id="4160683" href="https://www.thoughtco.com/venomous-sea-snakes-4160683" data-ordinal="9"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/YgwtXIGtW2Z57cDTepG94ZIIO-M=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/the-underwater-world-of-philippines--southeast-asia--western-pacific-ocean--638856734-5ab16034642dca00369e3cc6.jpg" width="219" height="146" alt="Banded sea snake, Laticauda colubrina." class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/YgwtXIGtW2Z57cDTepG94ZIIO-M=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/the-underwater-world-of-philippines--southeast-asia--western-pacific-ocean--638856734-5ab16034642dca00369e3cc6.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Banded sea snake, Laticauda colubrina." /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Reptiles"></div> <span class="block-title">Venomous Sea Snake Facts (Hydrophiinae and Laticaudinae)</span> </div> </a></li> <li id="block-list-item_10-0" class="comp block-list-item mntl-block g-item"><a id="block_10-0" class="comp block block-small " data-doc-id="4160683" href="https://www.thoughtco.com/venomous-sea-snakes-4160683" data-ordinal="10"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/YgwtXIGtW2Z57cDTepG94ZIIO-M=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/the-underwater-world-of-philippines--southeast-asia--western-pacific-ocean--638856734-5ab16034642dca00369e3cc6.jpg" width="219" height="146" alt="Banded sea snake, Laticauda colubrina." class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/YgwtXIGtW2Z57cDTepG94ZIIO-M=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/the-underwater-world-of-philippines--southeast-asia--western-pacific-ocean--638856734-5ab16034642dca00369e3cc6.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Banded sea snake, Laticauda colubrina." /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Reptiles"></div> <span class="block-title">Venomous Sea Snake Facts (Hydrophiinae and Laticaudinae)</span> </div> </a></li> <li id="block-list-item_11-0" class="comp block-list-item mntl-block g-item"><a id="block_11-0" class="comp block block-small " data-doc-id="4160927" href="https://www.thoughtco.com/grimpoteuthis-dumbo-octopus-4160927" data-ordinal="11"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/cFIyzCYR6jycyoIb2nOqz9Bl6vw=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/19158468063_d971032c28_o-d079715ea39046a3aeac0fb191b6981c.jpg" width="219" height="146" alt="Dumbo octopus as seen underwater." class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/cFIyzCYR6jycyoIb2nOqz9Bl6vw=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/19158468063_d971032c28_o-d079715ea39046a3aeac0fb191b6981c.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Dumbo octopus as seen underwater." /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Marine Life Profiles"></div> <span class="block-title">All About Grimpoteuthis, the Dumbo Octopus</span> </div> </a></li> <li id="block-list-item_12-0" class="comp block-list-item mntl-block g-item"><a id="block_12-0" class="comp block block-small " data-doc-id="4160938" href="https://www.thoughtco.com/mirror-neurons-and-behavior-4160938" data-ordinal="12"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/iJ8dZonVBu7GlfPiv4DCpPXEvJw=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/mother-holding-baby-boy-in-air-across-from-daughter-holding-doll-in-air-733931001-5ac27ec3ff1b78003799c1c9.jpg" width="219" height="146" alt="Mother holding baby boy in air across from daughter holding doll in air" class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/iJ8dZonVBu7GlfPiv4DCpPXEvJw=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/mother-holding-baby-boy-in-air-across-from-daughter-holding-doll-in-air-733931001-5ac27ec3ff1b78003799c1c9.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Mother holding baby boy in air across from daughter holding doll in air" /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Psychology"></div> <span class="block-title">Mirror Neurons and How Do They Affect Behavior</span> </div> </a></li> <li id="block-list-item_13-0" class="comp block-list-item mntl-block g-item"><a id="block_13-0" class="comp block block-small " data-doc-id="4160276" href="https://www.thoughtco.com/victim-complex-4160276" data-ordinal="13"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/dPDle5zUU6y4r4d-NWtH6cfpCgQ=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/man-trapped-in-becalmed-boat-without-a-sail-723497449-5aa2d891119fa80037ee66a9.jpg" width="219" height="146" alt="Man trapped in becalmed boat without a sail" class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/dPDle5zUU6y4r4d-NWtH6cfpCgQ=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/man-trapped-in-becalmed-boat-without-a-sail-723497449-5aa2d891119fa80037ee66a9.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Man trapped in becalmed boat without a sail" /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Sociology"></div> <span class="block-title">Understanding the Victim Complex</span> </div> </a></li> <li id="block-list-item_14-0" class="comp block-list-item mntl-block g-item"><a id="block_14-0" class="comp block block-small " data-doc-id="4160258" href="https://www.thoughtco.com/astronomer-henrietta-leavitt-4160258" data-ordinal="14"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/fj5Kh_Uc8FEdGrAB1_7w9Ur1sF8=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/smallerAndromeda-58b82ed53df78c060e6499b6.jpg" width="219" height="146" alt="smallerAndromeda.jpg" class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/fj5Kh_Uc8FEdGrAB1_7w9Ur1sF8=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/smallerAndromeda-58b82ed53df78c060e6499b6.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="smallerAndromeda.jpg" /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Important Astronomers"></div> <span class="block-title">The Life and Discoveries of Astronomer Henrietta Swan Leavitt</span> </div> </a></li> <li id="block-list-item_15-0" class="comp block-list-item mntl-block g-item"><a id="block_15-0" class="comp block block-small " data-doc-id="4160012" href="https://www.thoughtco.com/naked-mole-rat-facts-4160012" data-ordinal="15"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/nLkveOk81H9smvQ3g-gX1mL8ckM=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/naked-mole-rat--heterocephalus-glaber--south-africa-148309467-5a9c2cd618ba0100379202c7.jpg" width="219" height="146" alt="The naked mole rat, Heterocephalus glaber, lives in the drier regions of East Africa." class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/nLkveOk81H9smvQ3g-gX1mL8ckM=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/naked-mole-rat--heterocephalus-glaber--south-africa-148309467-5a9c2cd618ba0100379202c7.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="The naked mole rat, Heterocephalus glaber, lives in the drier regions of East Africa." /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Mammals"></div> <span class="block-title">Weird Naked Mole Rat Facts (Heterocephalus glaber)</span> </div> </a></li> <li id="block-list-item_16-0" class="comp block-list-item mntl-block g-item"><a id="block_16-0" class="comp block block-small " data-doc-id="4159830" href="https://www.thoughtco.com/an-introduction-to-the-flynn-effect-4159830" data-ordinal="16"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/OY-iCU1ktj6MrCkEDYBL67Kaa8k=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/Stocksy_txp0058f6d2ges100_Medium_1122222-5aabdd1ac06471003625bc4a.jpg" width="219" height="146" alt="Girl writing in notebook" class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/OY-iCU1ktj6MrCkEDYBL67Kaa8k=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/Stocksy_txp0058f6d2ges100_Medium_1122222-5aabdd1ac06471003625bc4a.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Girl writing in notebook" /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Social Sciences"></div> <span class="block-title">An Introduction to the Flynn Effect</span> </div> </a></li> <li id="block-list-item_17-0" class="comp block-list-item mntl-block g-item"><a id="block_17-0" class="comp block block-small " data-doc-id="4158245" href="https://www.thoughtco.com/apollo-8-1968-nasa-mission-was-first-to-leave-earth-orbit-4158245" data-ordinal="17"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/P4Eq74WA67f4m46FFf1YhmhwVvM=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/Apollo8-earthrise-clr-3000-3x2Nasa-5a92e427ff1b780037f909f7.jpg" width="219" height="146" alt="Photograph of &quot;Earthrise&quot; shot by Apollo 8 crewman" class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/P4Eq74WA67f4m46FFf1YhmhwVvM=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/Apollo8-earthrise-clr-3000-3x2Nasa-5a92e427ff1b780037f909f7.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Photograph of &quot;Earthrise&quot; shot by Apollo 8 crewman" /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Astronomy"></div> <span class="block-title">Apollo 8 Brought 1968 to a Hopeful End</span> </div> </a></li> <li id="block-list-item_18-0" class="comp block-list-item mntl-block g-item"><a id="block_18-0" class="comp block block-small " data-doc-id="4159438" href="https://www.thoughtco.com/percentage-of-human-brain-used-4159438" data-ordinal="18"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/TCiwHEZv-ehhMsL1FhMaTlor7s8=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-1034250008-83ed606ca5c845cda1d05f21a8972609.jpg" width="219" height="146" alt="The minds of two people are represented by numbers and percents" class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/TCiwHEZv-ehhMsL1FhMaTlor7s8=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-1034250008-83ed606ca5c845cda1d05f21a8972609.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="The minds of two people are represented by numbers and percents" /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Science"></div> <span class="block-title">What Percentage of the Human Brain Is Used?</span> </div> </a></li> <li id="block-list-item_19-0" class="comp block-list-item mntl-block g-item"><a id="block_19-0" class="comp block block-small " data-doc-id="4158931" href="https://www.thoughtco.com/extinction-level-events-4158931" data-ordinal="19"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/97xpNWVkInWicwxRD7ho2hV90TU=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-724233197-5a834dfc8023b90037be80d3.jpg" width="219" height="146" alt="65 million years ago a meteor struck the Mexican Yucatan peninsula, throwing tons of dust in the air and contributing to mass extinctions." class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/97xpNWVkInWicwxRD7ho2hV90TU=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-724233197-5a834dfc8023b90037be80d3.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="65 million years ago a meteor struck the Mexican Yucatan peninsula, throwing tons of dust in the air and contributing to mass extinctions." /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Science"></div> <span class="block-title">7 Extinction Level Events That Could End Life as We Know It</span> </div> </a></li> <li id="block-list-item_20-0" class="comp block-list-item mntl-block g-item"><a id="block_20-0" class="comp block block-small " data-doc-id="4159345" href="https://www.thoughtco.com/how-thundersnow-works-4159345" data-ordinal="20"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/VGwp-elzM1x8yRJmALGUzZWZZwM=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/Thundersnow4-5a8c4cfaa18d9e0037586cb1.jpg" width="219" height="146" alt="Thundersnow is a rare event associated with a winter thunderstorm." class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/VGwp-elzM1x8yRJmALGUzZWZZwM=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/Thundersnow4-5a8c4cfaa18d9e0037586cb1.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Thundersnow is a rare event associated with a winter thunderstorm." /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Storms & Other Phenomena"></div> <span class="block-title">How Thundersnow Works (and Where to Find It)</span> </div> </a></li> <li id="block-list-item_21-0" class="comp block-list-item mntl-block g-item"><a id="block_21-0" class="comp block block-small " data-doc-id="4158558" href="https://www.thoughtco.com/fern-life-cycle-4158558" data-ordinal="21"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img 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