Barks in the night lead to the discovery of new species

The raucous calls of tree hyraxes—small, herbivorous mammals—reverberate through the night in the forests of West and Central Africa, but their sound differs depending on the location.

Study: Half of US cosmetics contain toxic chemicals

More than half the cosmetics sold in the United States and Canada likely contain high levels of a toxic industrial compound linked to serious health conditions, including cancer and reduced birth weight, according to a new ...

The 27.5-million-year cycle of geological activity

Geologic activity on Earth appears to follow a 27.5-million-year cycle, giving the planet a 'pulse,' according to a new study published in the journal Geoscience Frontiers.

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