The COP29 climate summit, scheduled for Nov. 11–22 in Baku, Azerbaijan, ran a day overtime. For 2 weeks, negotiators from across the globe bickered over how much high-income nations ...

Artisanal miners use mercury because it is simple. When mercury is mixed with ore, it binds with the gold, creating an ...

C&EN assistant editor Fionna Samuels discusses the steps taken by schools in Boston and Colorado to monitor and control air ...

When frostbitten limbs warm up again, blood rushes back into the tissue. With that blood come compounds such as histamines ...

How these tiny particles may harm our health is unclear, but scientists are alarmed by what they are finding so far ...

“Past studies on rock weathering have measured how the weathering process affects carbon capture, but they’ve overlooked the ...

Algenesis submerged shoes made with its biodegradable polyurethane foam in the Pacific Ocean to demonstrate their ...

Coprolites—fossilized feces—from the Jurassic hold traces of past meals. These deposits left by a herbivorous dinosaur ...

Microplastics are everywhere, from the tallest mountains to the deepest depths of the ocean. Where do they come from, and how ...

In Niterói, scientists note thousands of dengue cases averted in 2024—a record year for infections elsewhere in Brazil ...

Aizen is using generative artificial intelligence to discover mirror peptides made entirely out of d-amino acids. Like ...

“There’s a groundswell of anxiety” among credit applicants, said Tim Urban, a tax attorney and lobbyist at the law firm ...