Food, predators, and people influence giraffe social behavior

The behavior of giraffe groups with calves is influenced more strongly by the risk of predators than is the behavior of all-adult groups, which is mostly determined by the availability of food. An international team of researchers ...

Crocodile evolution rebooted by Ice Age glaciations

Crocodiles are resilient animals from a lineage that has survived for over 200 million years. Skilled swimmers, crocodiles can travel long distances and live in freshwater to marine environments. But they can't roam far overland. ...

Deep-reef coral hates the light, prefers the shade

Coral reefs are among the most diverse ecosystems on the planet, second only to tropical rain forests. Bird's nest coral (Seriatopora hystrix) is common throughout the Indo-Pacific and is able to live across a range of depths. ...

Microbiome composition found to influence depression

Our microbiome, the billions of microorganisms that live in and on our bodies, control many important bodily functions, including those in our brain. Recent research by Amsterdam UMC, the University of Amsterdam and Erasmus ...

Why do human beings speak so many languages?

The thatched roof held back the sun's rays, but it could not keep the tropical heat at bay. As everyone at the research workshop headed outside for a break, small groups splintered off to gather in the shade of coconut trees ...

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