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Within the brain, neurons compute by generating electrical impulses. These signals travel throughout neurons, which are in turn connected in vast networks that control brain functions such as sensory perception, memory formation ...

The human body is teeming with more than 35 trillion bacteria, coexisting in microbiomes inside the gut, mouth, lungs, skin and urogenital tract. While it's now clear these microbes are associated with health and disease, ...

Artificial intelligence has designed viruses that can infect bacteria and reproduce—a first that shows AI is beginning to do more than analyze the genetic code of living things. It can write new versions of it, too.

When air is blown across the neck of a bottle, it doesn't just produce a pleasant tone: it also demonstrates a phenomenon called Helmholtz resonance. This occurs when airflow passing across an opening causes air trapped inside ...

Over the past two decades, photonic-crystal surface-emitting lasers (PCSELs) have shown promise as a type of advanced semiconductor laser useful in defense- and aerospace-related applications. Typically, these devices are ...

Animals struggle to cool down in extreme heat and high humidity, and heat stress is rising in many regions around the world. This is especially true for people in tropical countries, including populous India. In a new paper ...

For decades, astronomers lumped brown dwarfs into a single category defined by mass alone—too big to be classified as planets but too small to become stars. However, this definition ignores the two very different mechanisms ...

Water-bombing aircraft and farmers' tractors joined forces Sunday to help firefighters tame Belgium's largest modern-day wildfire, which has scorched vast swaths of a hard-to-reach nature reserve near the German border.

Four more belugas have arrived at a Chicago aquarium as part of a plan to move Canada's last remaining captive whales from a shuttered theme park to aquariums in the United States and Spain.

Hurricane Lala was pulling away from Hawaii's Big Island early Sunday as heavy rain and strong winds struck the U.S. Pacific state and officials warned of potentially dangerous flooding.

A Chinese container vessel has set sail for Europe through the Arctic as part of a new weekly service on a route that cuts shipment times in half but that environmental groups warn could speed up the melting of polar ice.

Researchers at the Icahn School of Medicine at Mount Sinai have identified a role for the youth-associated protein TIMP2 in supporting the healthy function of microglia, the brain's resident immune cells.