Amazon carbon sink threatened by drought

The Amazon is surprisingly sensitive to drought, according to new research conducted throughout the world's largest tropical forest. The 30-year study, published today in Science, provides the first solid evidence that drought ...

How the shrew brain adapts to winter

Seasonal, energy-conserving neural adaptions could allow shrews to reduce their metabolic demands during winter, a study finds. Animals adapt to changing environmental conditions such as seasonal cycles to enhance their chances ...

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