Older than expected: Teeth reveal the origin of the tiger shark

The tiger shark is one of the largest predatory sharks known today. This shark is a cosmopolitan species occurring in all oceans worldwide. It is characterized by a striped pattern on its back, which is well marked in juveniles ...

Scientists document first biofluorescent fish in the Arctic

For the first time, scientists have documented biofluorescence in an Arctic fish species. The study, led by researchers at the American Museum of Natural History who spent hours in the icy waters off of Greenland where the ...

Fighting pandemics with plasma

Most types of personal protective equipment, like N95 masks, gowns, and gloves, are designed for single use, which has led to both scarcity and waste during the COVID-19 pandemic. But new research suggests these vital supplies ...

Biodiversity hypothesis called into question

Biologists have long considered the origins and continued coexistence of the immense diversity of species found in our environment. How can we explain the fact that no single species predominates? A generally accepted hypothesis ...

Improving coastal restoration by temporarily imitating nature

Coastal ecosystems are in rapid decline around the world. Restoring them is very expensive and is often unsuccessful. But an international team of researchers discovered a way of increasing restoration success of salt marshes ...

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