Climate change and overfishing can increase how much mercury accumulates in fish, counteracting efforts to reduce human-caused emissions. Read more
In people with celiac disease, some T cells release immune chemicals within hours of encountering gluten, triggering the fast onset of symptoms. Read more
Overlooked galaxies from when the universe was younger than 2 billion years old could be the ancestors of other ancient and modern monster galaxies. Read more
Experiments on live nerve cells — donated from patients undergoing brain surgery — may turn up clues about how the human brain works. Read more
Racism can take a lifelong toll on children’s and adolescents’ health. U.S. pediatricians are tackling the problem. Read more
A compound produced by fungi reacts with skunk spray to form residues that aren’t offensive to the nose and can be more easily washed away. Read more
The five U.S. cities most at risk of coastal flooding from rising sea levels are in various stages of preparedness. Read more
Boston has armed itself with a science-driven master plan to protect itself from increasingly inevitable storm surges and rising seas. Read more
Readers had questions and comments on Lyme disease prevention, speciation, and a mysterious uranium cube. Read more
Editor in Chief Nancy Shute discusses climate change and the uncertainty of science. Read more
