Stories by Shi En Kim

Heat seems to trigger a sweep of changes in immune system molecules, although researchers disagree on what they might mean

Researchers go to great lengths to prove a tiny bias in coin flipping

Ongoing research shows electrical vagus nerve stimulators could relieve some long COVID symptoms. But are the expensive devices worth the price?

A growing arsenal of genetically tailored oncology treatments have spectacular results, but scope and access remain limited

A company that creates genetically modified pig organs for transplants hopes to test its product in human trials if regulators approve them

The recent national shortage in chemotherapy drugs points to a need to overhaul the generics market

An artist, a programmer and a scientist have created a simulation of extraterrestrial communication to test Earthlings’ ability to understand it

Do efforts to create life—by cooking up imitations in computers, robots and molecules—point toward a universal definition of biology?

A host plant’s survival may depend on powerful chemicals swimming in its vines

Deep-learning robot Shimon writes and rhymes in real time