Walking sharks discovered in the tropics

Four new species of tropical sharks that use their fins to walk are causing a stir in waters off northern Australia and New Guinea.

The influence of early family formations on support in older age

Fewer children, distant relatives or friends, and an increasing plurality of family models are factors that impact on the availability of support and care in old age. Tiziana Nazio, a researcher at the WZB Berlin Social Science ...

Smiling baby monkeys and the roots of laughter

When human and chimp infants are dozing, they sometimes show facial movements that resemble smiles. These facial expressions—called spontaneous smiles—are considered the evolutionary origin of real smiles and laughter.

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