‘Marine Snow’ Studies Show How the Ocean Eats Carbon
November 29, 2024 2 min read The ocean’s digestive system is dictated by picky microbes and precise dynamics of drifting debris By Susan Cosier Carbon falls as “marine snow” through ocean layers. Ippei Naoi/Getty Images From the sunlit top 200 meters of the sea, plankton carcasses, excrement and molt particles constantly drift toward the depths.
Fossil Footprints Suggest Two Early Human Species Crossed Paths within Hours
November 28, 2024 3 min read Two sets of fossilized footprints from early human species were made within a few hours of each other about 1.5 million years ago, researchers suggest By Tom Metcalfe Scientists think this footprint was made by a Paranthropus boisei individual. Kevin G. Hatala Footprints from two different types of ancient
Your Friends Shape Your Microbiome—and So Do Their Friends
November 27, 2024 3 min read Analysis of nearly 2,000 people living in remote villages in Honduras reveals who’s spreading gut microorganisms to whom By Saima Sidik & Nature magazine Friends share more than just food when they dine together. ljubaphoto/Getty Images A shared meal, a kiss on the cheek: these social acts bring people
Walking Pneumonia is Surging in Young Kids. Here’s What to Know
The temperature is dropping, and rates of a whole host of respiratory illnesses are doing the opposite. Among them is so-called walking pneumonia, a relatively mild form of pneumonia that has been unusually common in young children this year. Pneumonia can be caused by dozens of different pathogens, but walking pneumonia is most commonly caused
What Makes the Eastern U.S. Drought Different from the West’s
November 27, 2024 4 min read Drought is more synonymous with the western U.S., but the eastern part of the country can descend into such conditions surprisingly quickly By Andrea Thompson The Manasquan Reservoir in New Jersey, which supplies drinking water to 1.2 million people, dropped below half empty in mid-November. Lokman Vural Elibol/Anadolu via
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