Toothed whales catch food in the deep using vocal fry register

Dolphins and other toothed whales are large brained top predators that captivate our imagination; they are extremely social, they cooperate, and can hunt prey down to 2 km deep in complete darkness with echolocation.

New mathematical model to save endangered species

What does the blue whale have in common with the Bengal tiger and the green turtle? They share the risk of extinction and are classified as endangered species. There are multiple reasons for species to die out, and climate ...

Being rich in the Middle Ages led to an unhealthy life

In the Middle Ages only wealthy town people could afford to eat and drink from beautiful, colored glazed cups and plates. But the glazing was made of lead, which found its way into the body if you ate acidic foods. This has ...

Surprising diversity in aging revealed in nature

In our youth we are strong and healthy and then we weaken and die - that's probably how most would describe what ageing is all about. But, in nature, the phenomenon of ageing shows an unexpected diversity of patterns and ...

Migratory birds eye-localized magnetoreception for navigation

Migratory birds use a magnetic compass in their eye for navigation. The involved sensory mechanisms have long remained elusive, but now, researchers have revealed exactly where in the eye avian navigation is situated.

Humans can't, but turtles can: Switching off senescence

All living organisms age and die—there is no way of escaping death. But not all organisms follow the same pattern of weakening and deterioration to old age and death—counter-intuitive as it may seem.

The global phosphorus crisis

Phosphorus is an essential resource for the world's food production. Yet, no international institutions govern the Earth's limited resources. An international team of 40 phosphorus experts now express their concern and make ...

Scientific investigations of believed remains of two apostles

In Rome lies the Santi Apostoli church, cared for by Franciscan brothers for more than 500 years. For more than 1500 years, this site has held the believed remains of two of the earliest Christians and Jesus apostles: St. ...

Microbes produce oxygen in the dark

There is more going on in the deep, dark ocean waters than you may think: Uncountable numbers of invisible microorganisms go about their daily lives in the water columns, and now researchers have discovered that some of them ...

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