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I enjoy learning about what&#039;s important to them, understanding the challenges they face, and then finding new and interesting mathematical solutions to address these problems." title="Jeffrey Donatelli" > <img loading="lazy" decoding="async" width="330" height="296" src="https://www.lbl.gov/wp-content/uploads/2024/11/Jeff-Donatellli-2024-330x296.jpg" class="attachment-lbl-components-sm size-lbl-components-sm" alt="Portrait of a person with short brown hair, wearing a black collared top, smiling." slot="media" /> <lbl-button slot="go-btn" link-target="" link-url="https://profiles.lbl.gov/20966-jeffrey-donatelli" type="go" > </lbl-button> <lbl-button slot="inline-btn" text="Meet Jeffrey" link-target="" link-url="https://profiles.lbl.gov/20966-jeffrey-donatelli" type="inline" > </lbl-button> </lbl-profile-card> </lbl-grid> </lbl-container> <lbl-container theme="white"> <lbl-section-header text="" title="Latest News" > <lbl-button slot="btn" link-url="https://newscenter.lbl.gov/" text="See all news" type="inline-go" link-target="" > </lbl-button> </lbl-section-header> </lbl-container> <lbl-container theme="white"> <lbl-grid columns="3" layout="grid-card" > <lbl-grid-card layout="" date="March 19, 2025" text="A new data release from the Dark Energy Spectroscopic Instrument is now available for researchers to explore. The collection contains information on 18.7 million galaxies, quasars, and stars — the largest dataset of its kind ever shared." link-url="https://newscenter.lbl.gov/2025/03/19/desi-opens-access-to-the-largest-3d-map-of-the-universe-yet/" link-target="_blank" title="DESI Opens Access to the Largest 3D Map of the Universe Yet" > <lbl-image slot="media" img-caption="" img-credit="" > <img loading="lazy" decoding="async" width="890" height="595" src="https://www.lbl.gov/wp-content/uploads/2025/03/Newscenter_Featured_1190px_IMG_7553-CC-890x595.jpg" class="attachment-lbl-components-md size-lbl-components-md" alt="A white structure with a domed top on a rocky outcrop below a star-filled night sky. The Milky Way stretches vertically in a luminous band. 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