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River </a> </h3> <p class="article-dek">Could the waterway that the city was built around make a comeback?</p> <p class="author"> <a href='/author/darren-orf/'>Darren Orf</a> </p> </div> </div> <div class="article-list-item"> <div class="article-list-text"> <a href="/science-nature/how-to-make-a-mammal-in-nine-evolutionary-steps-180985289/"> <img loading="lazy" src="https://th-thumbnailer.cdn-si-edu.com/TwU04w7r6Uv3Z9EZyHW4l-lcXh8=/400x300/filters:no_upscale():focal(700x527:701x528)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/d1/82/d18228f6-d319-4525-bb18-78b829f0791f/mammalevolution_web.jpg" alt="By examining the fossils of ancient creatures, scientists are able to see the origins of features that make mammals different from other animals." width="400" height="300" /> </a> <h3> <a href="/science-nature/how-to-make-a-mammal-in-nine-evolutionary-steps-180985289/"> How to Make a Mammal in Nine Evolutionary Steps </a> </h3> </div> </div> <div class="article-list-item"> <div class="article-list-text"> <a href="/science-nature/the-six-most-amazing-discoveries-weve-made-about-neptune-180985333/"> <img loading="lazy" src="https://th-thumbnailer.cdn-si-edu.com/odg4qSB-FVqq2FnRXR2Td99Me0I=/400x300/filters:no_upscale():focal(800x602:801x603)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/9b/18/9b18984c-3b32-454b-805f-ea596a685f96/main_web_neptune_voyager2_color_calibrated.jpg" alt="A photo of Neptune, taken by the Voyager 2 probe, with the colors rebalanced to represent its truest appearance" width="400" height="300" /> </a> <h3> <a href="/science-nature/the-six-most-amazing-discoveries-weve-made-about-neptune-180985333/"> The Six Most Amazing Discoveries We’ve Made About Neptune </a> </h3> </div> </div> <div class="article-list-item"> <div class="article-list-text"> <a href="/smart-news/new-3d-bioprinter-could-build-replicas-of-human-organs-offering-a-boost-for-drug-discovery-180985460/"> <img loading="lazy" src="https://th-thumbnailer.cdn-si-edu.com/oEcN99jhK0NpFqDY2GWseKKVGOQ=/400x300/filters:no_upscale():focal(400x269:401x270)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/d9/ab/d9ab6f7f-d9b7-46d1-aba3-622d5dabafec/large.jpg" alt="The 3D bioprinter at the Collins BioMicrosystems Laboratory at the University of Melbourne." width="400" height="300" /> </a> <h3> <a href="/smart-news/new-3d-bioprinter-could-build-replicas-of-human-organs-offering-a-boost-for-drug-discovery-180985460/"> New 3D Bioprinter Could Build Replicas of Human Organs, Offering a Boost for Drug Discovery </a> </h3> </div> </div> <div class="article-list-item"> <div class="article-list-text"> <a href="/smart-news/a-35000-year-old-saber-toothed-kitten-was-unearthed-in-siberiaand-it-still-had-its-whiskers-and-claws-180985488/"> <img loading="lazy" src="https://th-thumbnailer.cdn-si-edu.com/uhLCvdDEN5IcK-bbAl7MLbpkAT8=/400x300/filters:no_upscale():focal(520x416:521x417)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/18/e1/18e1c208-d279-4193-8ca1-4f381730d932/41598_2024_79546_fig2_html_1.jpg" alt="The cub belongs to the species,&nbsp;Homotherium latidens,&nbsp;and was unearthed from the&nbsp;Badyarikha River in Yakutia, Siberia." width="400" height="300" /> </a> <h3> <a href="/smart-news/a-35000-year-old-saber-toothed-kitten-was-unearthed-in-siberiaand-it-still-had-its-whiskers-and-claws-180985488/"> A 35,000-Year-Old Saber-Toothed Cub Was Unearthed in Siberia—and It Still Had Its Whiskers and Claws </a> </h3> </div> </div> </div> </div> <div class="home-newsletter"> <div class="leade"> <p>Get the latest Science stories from <em>Smithsonian</em> magazine in your inbox.</p> <form method="post" action="/acoustic/add_science/"> <input type="email" name="email" placeholder="Email Address" required="" id="id_email"> <input type="submit" value="Sign Up" name="submit" class="science" /> <p class="terms-info"><input type="checkbox" name="si_all_opt_subscribed" id="id_si_all_opt_subscribed"> By checking this box, I agree to receive other information from the Smithsonian, including relevant content and programming, news about Smithsonian events, trips and offers, and museum updates. <a href="/privacy">Click to visit our Privacy Statement</a>.<br /> Easy unsubscribe links are provided in every email.</p> <input type="hidden" name="science_opt_source" id="id_science_opt_source" value="Preference Center"> </form> </div> </div> </div> <div class="advertisement fullwidth"> <!-- BEGIN Freestar: Tag ID - smithsonianmag_leaderboard_btf --> <div align="center" data-freestar-ad="__336x280 __970x250" id="smithsonianmag_leaderboard_btf" class=""> <script data-cfasync="false" type="text/javascript"> freestar.config.enabled_slots.push({ placementName: "smithsonianmag_leaderboard_btf", slotId: "smithsonianmag_leaderboard_btf" }); </script> </div> <!-- END Freestar: Tag ID - smithsonianmag_leaderboard_btf --> </div> <div class="main-content article article-list category-list story-list-element"> <div class="article-columns"> <div class="articleLeft"> <div class="article-list"> <div class="article-container"> <div class="widget-heading">Latest</div> <div class="article-list"> <div class="article-list-item"> <div class="article-list-image"> <a href="/science-nature/deep-look-into-the-wacky-and-wild-lives-of-earwigs-180985482/"><img loading="lazy" src="https://th-thumbnailer.cdn-si-edu.com/zIgYGzjjpSnossBr034o1cjdhjM=/400x300/filters:no_upscale():focal(576x433:577x434)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/63/cf/63cf4512-a64c-4177-8230-d62212d57224/web_earwig-science-500x288.jpg" alt="An earwig with eggs" width="640" height="480" /></a> </div> <div class="article-list-text"> <h3><a href="/science-nature/deep-look-into-the-wacky-and-wild-lives-of-earwigs-180985482/">A Deep Look Into the Wacky and Wild Lives of Earwigs</a></h3> <p class="article-dek">The insects participate in elaborate courtships, are devoted parents, occasionally eat each other and have a gregarious nature</p> <p class="article-published"><time class="pub-date" itemprop="published" data-pubdate="Nov. 22, 2024, 8 a.m.">November 22, 2024</time></p> </div> </div> <div class="article-list-item"> <div class="article-list-image"> <a href="/science-nature/from-a-motorcycle-revving-to-a-pig-oinking-eight-amazing-sounds-made-by-frogs-180985495/"><img loading="lazy" src="https://th-thumbnailer.cdn-si-edu.com/D8J3IdThzCffEshCqvMr96K65zU=/400x300/filters:no_upscale():focal(800x602:801x603)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/c1/22/c1223a5d-6219-4811-a3fd-aaf3cdfd3eb2/frogcalls-v1_web.jpg" alt="Different species of frogs call out in various ways, and they may sound like musical instruments, construction tools or other animals." width="640" height="480" /></a> </div> <div class="article-list-text"> <h3><a href="/science-nature/from-a-motorcycle-revving-to-a-pig-oinking-eight-amazing-sounds-made-by-frogs-180985495/">From a Motorcycle Revving to a Pig Oinking, Eight Amazing Sounds Made by Frogs</a></h3> <p class="article-dek">All over the world, different types of frogs call out in various ways to warn others or attract mates</p> <p class="article-published"><time class="pub-date" itemprop="published" data-pubdate="Nov. 21, 2024, 8 a.m.">November 21, 2024</time></p> </div> </div> <div class="article-list-item"> <div class="article-list-image"> <a href="/smithsonian-institution/how-do-we-know-what-colors-insects-can-see-and-more-questions-from-our-readers-180985453/"><img loading="lazy" src="https://th-thumbnailer.cdn-si-edu.com/8kSTDGg9SM5tbNipyaKceVEkbCk=/400x300/filters:no_upscale():focal(675x572:676x573)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/12/81/1281a48e-3fdd-41ab-beba-e41a12d5b751/bug.jpg" alt="How do scientists know which insects can see color?" width="640" height="480" /></a> </div> <div class="article-list-text"> <h3><a href="/smithsonian-institution/how-do-we-know-what-colors-insects-can-see-and-more-questions-from-our-readers-180985453/">Can Insects See Color? And More Questions From Our Readers</a></h3> <p class="article-dek">You’ve got questions. We’ve got experts</p> <p class="article-published"><time class="pub-date" itemprop="published" data-pubdate="Nov. 21, 2024, 7 a.m.">December 2024</time></p> </div> </div> <div class="article-list-item"> <div class="article-list-image"> <a href="/science-nature/dedicated-scientists-birdwatchers-tracked-down-these-five-lost-birds-180985446/"><img loading="lazy" src="https://th-thumbnailer.cdn-si-edu.com/Q1qbPorn3JMGUJVXgGqpMugKb4I=/400x300/filters:no_upscale():focal(742x540:743x541)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/c4/97/c497d1eb-11ed-4d5a-9954-13f5255ebc3f/santa_marta_sabrewing.jpg" alt="The Santa Marta sabrewing, a highly elusive bird, showed itself in 2022, in Colombia, giving hope to conservationists." width="640" height="480" /></a> </div> <div class="article-list-text"> <h3><a href="/science-nature/dedicated-scientists-birdwatchers-tracked-down-these-five-lost-birds-180985446/">Dedicated Scientists and Birdwatchers Tracked Down These Five ‘Lost’ Birds</a></h3> <p class="article-dek">A worldwide search party is using 21st-century tools to uncover long-unseen species, one of which hadn't been found since the 19th century</p> <p class="article-published"><time class="pub-date" itemprop="published" data-pubdate="Nov. 21, 2024, 7 a.m.">December 2024</time></p> </div> </div> <div class="article-list-item"> <div class="article-list-image"> <a href="/science-nature/hero-convinced-fellow-ornithologists-obvious-stop-shooting-birds-watch-them-instead-180985445/"><img loading="lazy" src="https://th-thumbnailer.cdn-si-edu.com/yriFX2tHzkHJGXt1mvHo--_yQ6Q=/400x300/filters:no_upscale():focal(742x537:743x538)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/a7/55/a755cb1c-24bd-4bb1-9439-378020c57370/dec2024_k14_prologue-1.jpg" alt="Two ivory-billed woodpeckers in one of the historic photographs that Arthur Allen captured in the field in 1935." width="640" height="480" /></a> </div> <div class="article-list-text"> <h3><a href="/science-nature/hero-convinced-fellow-ornithologists-obvious-stop-shooting-birds-watch-them-instead-180985445/">The Hero Who Convinced His Fellow Ornithologists of the Obvious: Stop Shooting Rare Birds and Watch Them Instead</a></h3> <p class="article-dek">Too late to save the ivory-billed woodpecker, Arthur Allen changed science forever with his seemingly simple idea</p> <p class="article-published"><time class="pub-date" itemprop="published" data-pubdate="Nov. 20, 2024, 9 a.m.">December 2024</time></p> </div> </div> <div class="article-list-item"> <div class="article-list-image"> <a href="/science-nature/how-the-arrival-of-an-endangered-bird-indicates-whats-possible-for-the-la-river-180985390/"><img loading="lazy" src="https://th-thumbnailer.cdn-si-edu.com/9d3abbW5wW8PPFT7oWnkL_fZBE4=/400x300/filters:no_upscale():focal(800x602:801x603)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/9e/74/9e74abff-c893-4ad5-83a5-c20ccc0b529a/web_lariver_main.jpg" alt="A view of the soft-bottomed Los Angeles River below the 400-foot-long Taylor Yard Bridge in Elysian Valley. The newest Taylor Yard parcel, currently fenced off as it undergoes toxic remediation, can be seen on the far right." width="640" height="480" /></a> </div> <div class="article-list-text"> <h3><a href="/science-nature/how-the-arrival-of-an-endangered-bird-indicates-whats-possible-for-the-la-river-180985390/">How the Arrival of an Endangered Bird Indicates What’s Possible for the L.A. 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