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Forty mice spent more than a month in orbit to test two approaches to strengthening muscle and bone in microgravity conditions. The results could help people with muscle and bone diseases.

A lawsuit alleging that TikTok collects and sends American users' data to China could cost the company hundreds of millions of dollars. TikTok denies the allegations.

Many social sciences experiments couldn't be reproduced in a new study, thus calling into question their findings. The field of social science is pushing hard to improve its scientific rigor.

A cargo that included 5,600 pounds of supplies, science experiments and holiday dinner treats for the crew was launched on Wednesday.

Researchers have long hoped to find out if genes contribute to sexual orientation. A new study of genetic data from thousands of people hints there may be some link, but it's still far from clear.

Former estimates only accounted for larger pieces of microplastics.

A weekend of staged readings of new works from Latinx playwrights

Tests for the immune response to the coronavirus are revealing thousands of people who were infected but never got severely ill. The findings suggest the virus is less deadly than it first appeared.

Airs Sunday, Jan. 3, 2020 at 8 p.m. on KPBS TV + Tuesday, Jan. 12, 2021 at 10 p.m. on KPBS 2

Barenbaum says she was inspired by the story of Albert Einstein's race to prove his theory of relativity. The novel digs into questions of philosophy, time, and whether rules are meant to be broken.