News

Genetics

New type of stem cells, fuzzy and flexible

A new way to make stem cells produces fuzzy cells that appear as flexible as other types of stem cells, but are easier to grow in the lab and avoid ethical issues.

Neuroscience

Molecule impairs brain cells that fail in Alzheimer’s

In mice, blocking a molecule on immune cells allowed them to mop up the type of protein buildup seen in the brains of people with Alzheimer’s.

Health & Medicine

Cells in groups may promote cancer’s spread

Cellular gangs, not individuals, form distant tumors from breast malignancies, a new study finds.

Chemistry

Early asteroid impacts may have aided life’s origin

RNA ingredients found in laser-induced simulation of explosions.