Nathaniel B. Palmer, a U.S. Icebreaker, May Have Sailed Its Last Expedition

The decommissioning would leave the United States with no icebreaker to study the southern seas and cede scientific leadership to rival countries like China.

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Dusky Gopher Frogs Are Making a Comeback in Mississippi

Fewer than 100 dusky gopher frogs were known to remain. Thanks to some very dedicated humans, numbers are now on the rise.

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Fewer People Are Reading for Fun, Study Finds

From 2003 to 2023, the share of Americans who read for pleasure fell 40 percent, a sharp decline that is part of a continuing downward trend.

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Zuckerberg Again Overhauls Meta’s A.I. Efforts

Meta internally announced a new restructuring of its artificial intelligence division amid internal tensions over the technology, people with knowledge of the matter said.

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Are Marathons and Other Extreme Running Linked to Colon Cancer?

A small, preliminary study found that marathoners were much more likely to have precancerous growths. Experts aren’t sure why.

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How Harmful is Blue Light For Sleep?

Sleep scientists are changing how they think about screen use at night.

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Meet the Beautiful Dragonfly That Thrives in Your Pollution

New research outlines how the savvy blue dasher lives happily in storm drains and park ponds others flee.

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Treating Chronic Pain is Hard. An Experimental Approach Shows Promise.

A guitarist in a death metal band was one of several people who found that personalized deep brain stimulation eased their pain and helped them reduce pain medication.

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With Deep N.I.H. Cuts, Research Into Health Disparities Falters

In its campaign against “woke” science, the Trump administration has closed down studies and programs focused on the gaps between racial and socioeconomic groups.

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Companies Are Pouring Billions Into A.I. It Has Yet to Pay Off.

Corporate spending on artificial intelligence is surging as executives bank on major efficiency gains. So far, they report little effect to the bottom line.

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