Genes & Cells | Science News

ADVERTISEMENT

SUPPORT SCIENCE NEWS

Science News is a nonprofit.

Help us keep you informed.

Genes & Cells

Topic Image Rail

four cups of coffee

CUPSA JOE Studies have shown that people who drink four cups of coffee a day have a lower risk of dying of a heart attack. A new study in mice may show one reason for that; caffeine in coffee gives cells energy to fight off damage.

mouse embryonic stem cells

MARKING THE SPOTS In this super-resolution microscope image of mouse embryonic stem cells, molecules of the enzyme that copies DNA instructions into RNA messages cluster in multiple spots within the nucleus. White spots have more of the enzyme, RNA polymerase II, concentrated in them than in the cooler blue spots.

Tina Hesman Saey

FAMILY FINDER  Science News reporter Tina Hesman Saey tried out several consumer genetic testing companies to learn more about her ancestry.

Genes & Cells

Subscribe to RSS - Genes & Cells