What happens when a scientific problem seems too complex to solve precisely, yet understanding it could reshape how researchers design new materials and medicines? For decades, much of the polymer ...

The California Air Resources Board voted Thursday to pass proposed regulations banning the sale of internal-combustion engine cars by 2035. California is one of the biggest new-car markets in the US ...

Southwest banned human-like and animal-like robots from cabins and checked baggage after viral flights raised concerns about lithium-ion battery safety. If you can only read one tech story a day, this ...

Humans and machines can enhance each other’s strengths. by H. James Wilson and Paul R. Daugherty Artificial intelligence is becoming good at many “human” jobs—diagnosing disease, translating languages ...

Serotonin is a neurotransmitter and hormone that helps regulate mood, sleep, digestion, blood clotting, and sex drive. Your body makes it from tryptophan, an amino acid found in meat, dairy, eggs, and ...