Two studies find stress reprograms cells

In a pair of publications, researchers have shown how cells adapt to stressors—like water loss—by reprogramming their internal signaling networks. The studies describe previously unknown mechanisms that cells use to send ...

Scientists dispute missing dryland forests

Scientists are disputing the possibility that a significant portion of the world's forests have been missed in an earlier accounting of ecological diversity.

The effect of hurricanes on Puerto Rico's dry forests

Caribbean tropical forests are subject to hurricane impacts of great variability. In addition to natural storm incongruity, climate change can alter storm formation, duration, frequency, and intensity. Scientists assessed ...

In harsh corner of Uganda, herders fight climate change

The sun is setting over Karamoja. Time for the nomadic herders to return their cattle to thorn-ringed enclosures. They've roamed since first light, searching for pasture in Uganda's poorest region where water and grazing ...

A new affordable and easy-to-use technology for dry eye diagnosis

UPM researchers have developed an optical biosensor with an easy, fast and affordable method of read-out that allows the in vitro detection of a biological material. The results obtained are promising for the diagnosis of ...

Climate change may slowly starve bamboo lemurs

Madagascar's Cat-sized greater bamboo lemurs are considered one of the most endangered primate species on Earth. They almost exclusively eat a single species of bamboo, including the woody trunk, known as culm. But they prefer ...

Asbestos, dry cleaning agent among 10 chemicals under review

Under a congressional mandate, the U.S. Environmental Protection Agency is reviewing 10 chemicals to determine if they pose an unreasonable risk to human health or the environment and should be subject to additional regulation. ...

page 37 from 40