News

Chemistry

Laser makes uphill battle easier

Researchers have used a femtosecond laser to etch tiny channels into metal plates, prompting liquid to flow uphill.

Plants

How maple fruits fall

A new study analyzes the features that help maple seeds stay airborne.

Health & Medicine

Replacing microRNA for cancer treatment

Replacing missing microRNAs in cancer cells may open up a new field for cancer treatment.

Health & Medicine

Stressed-out DNA turns mousy brown hair gray

Scientists show how change happens when cells responsible for colorful hair lose their self-renewing abilities.

Space

Alien visitor from afar

A speedy stellar neighbor may be a refugee from another galaxy.