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How Scientists Are Growing Mini Brains In Petri Dishes For Experiments

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Cal Fire firefighters keep watch on a wildfire blaze burning the mountainside near the Cate School campus in Carpinteria, Calif., on Dec. 10, 2017. Kenneth Song/AP hide caption

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Kenneth Song/AP

Forage fish like these at a Chilean processing plant are often used for fish meal used in aquaculture. But critics consider this inefficient and wasteful and worry it could deplete fish populations. Now several companies are developing protein substitutes to replace fish meal. Julio Etchart/ullstein bild via Getty Images hide caption

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Julio Etchart/ullstein bild via Getty Images

Melt ponds dot a stretch of sea ice in the Arctic Ocean, north of Greenland. This year was the Arctic's second-warmest in at least 1,500 years, after 2016. Nathan Kurtz/NASA hide caption

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Nathan Kurtz/NASA

Arctic's Temperature Continues To Run Hot, Latest 'Report Card' Shows

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A tick grasping a dinosaur feather is preserved in 99 million-year-old amber from Myanmar. Peñalver et al/Nature Communications hide caption

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Peñalver et al/Nature Communications
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How Labels Can Affect People's Personalities And Potential

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Cavitation produces a bubble that rapidly collapses and becomes hotter than the sun's surface. The mantis shrimp uses it, and now so do food and drink firms, to improve flavors — from yogurt to beer. Reinhard Dirscherl/ullstein bild via Getty Images hide caption

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Reinhard Dirscherl/ullstein bild via Getty Images

A Hubble Space Telescope image of the Ant Nebula. Astrophysicist Adam Frank spent last week at an international meeting in Hong Kong trying to understand the science of what these objects tell us about the last gasp of dying stars like the sun. NASA, ESA and the Hubble Heritage Team hide caption

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NASA, ESA and the Hubble Heritage Team

Michele Comisky of Vienna, Va., enrolled her 8-year-old son, Jackson, in a study to test the value of probiotics in preventing the gut distress often experienced when taking antibiotics. Rob Stein/NPR hide caption

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Rob Stein/NPR

Could Probiotics Protect Kids From A Downside Of Antibiotics?

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Scientists Work To Stop Violence After Losing Their Child In Newtown

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How 311 Helped Understand Air Pollution After Harvey

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Black-footed ferrets are the most endangered mammal in North America. Scientists in Montana are trying to save the ferrets by saving their main food source, prairie dogs. Kathryn Scott Osler/Denver Post via Getty Images hide caption

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Kathryn Scott Osler/Denver Post via Getty Images

Biologists With Drones And Peanut Butter Pellets Are On A Mission To Help Ferrets

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China's ban means recycling is piling up at Rogue Waste System in southern Oregon. Employees Scott Fowler, Laura Leebrick and Garry Penning say their only option for now is to send it to a landfill. Jes Burns/OPB/EarthFix hide caption

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Jes Burns/OPB/EarthFix

Australia had a particularly hard flu season this year, which may predict similar challenges for the U.S. Pascal Pochard-Casabianca/AFP/Getty Images hide caption

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Pascal Pochard-Casabianca/AFP/Getty Images

In The U.S., Flu Season Could Be Unusually Harsh This Year

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Ben Anderson collects grass samples in Western Australia. Spinifex tastes to some like salt and vinegar chips — but it's so hard and spiky that scientists say collecting samples can be painful. Courtesy of Matt Barrett hide caption

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Courtesy of Matt Barrett