New tools filter noise from evolution data

While rates of evolution have appeared to accelerate over short time periods, new analysis suggests that statistical noise is affecting the data patterns. A professor at the University of Tennessee, Knoxville, and his colleague ...

Mounting economic costs of India's killer smog

Noxious smog smothering the plains of north India is not only choking the lungs of residents and killing millions, but also slowing the country's economic growth.

Main points of the $300 billion climate deal

The deal reached at UN climate talks in Azerbaijan ramps up the money that wealthy historic emitters will provide to help poorer nations transition to cleaner energy and adapt to global warming.

Scientists seek miracle pill to stop methane cow burps

A scientist guides a long tube into the mouth and down to the stomach of Thing 1, a two-month-old calf that is part of a research project aiming to prevent cows from burping methane, a potent greenhouse gas.

Storms bring chaos to Ireland, France, UK

Ireland, Britain and France faced travel chaos on Saturday and one person died as a winter storm battered northwest Europe with strong winds, heavy rain, snow and ice.

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