News

Life

Letting parasites fight could help battle drug resistance, too

Helping one strain of malaria trounce another in lab mice demonstrates a way of avoiding the evolution of drug resistance.

Climate

Warming alters mountain plant’s sex ratios

Global warming has different effects on male and female plants. Tracking sex ratio shifts could be a fast signal of climate change, researchers say.

Animals

Frigate birds fly nonstop for months

The great frigate bird can fly for up to two months without landing, thanks to a boost from wind and clouds.

Physics

Falling through the Earth would be a drag

Scientists study how friction affects a hypothetical jump through the center of the Earth.