Science

Butterflies, fish and frogs sport rear end eyespots that reduce predation. Painting eye markings on cows similarly seems to ward off predators.

Science’s COVID-19 reporting is supported by the Pulitzer Center and the Heising-Simons Foundation.

Robots tend to be powered by batteries and plug sockets. But the RoBeetle is a little different. This insect-size microbot (defined as weighing less than 1 gram) runs on methanol, a type of alcohol commonly found in solvents and antifreeze.

Researchers say honey can be an effective alternative to antibiotics, which are often prescribed for such infections, despite not being suitable.

It has also been found that, unlike common cold or flu, those with COVID-19 cannot detect bitter or sweet tastes.

Microplastics have been found into every nook of the environment – the oceans, land, air, food supply and even in some marine animals. A study from 2018 found that plastics can pass through the human gut, but a new study from Arizona State University researchers indicates that human tissue and organs are capable of absorbing microplastics […]

An ethics board convened by the Trump administration today recommended that the United States refuse to fund all but one in a group of applications to do medical research using human fetal tissue donated after elective abortions. The applications, made to the U.S. National Institutes of Health (NIH), had already been recommended for […]

A vaccine may be available sooner if volunteers are deliberately infected. But is it ethical?