The little birds have survived for 25 million years by banging their head against a tree hunting for food.
The viruses can be carried thousands of kilometers there before being deposited back onto the Earth's surface.
The study marks the first time scientists have quantified the viruses being swept up from the Earth's surface into the free troposphere, beyond Earth's weather systems but below the stratosphere where jet airplanes fly.
An astonishing number of viruses are circulating around the Earth's atmosphere — and falling from it — according to new research.
The forces on their brain are huge and have baffled scientists while inspiring crash helmet design.
Scientists at the University of Reading found that the rapid expansion of dinosaurs across the globe meant they were running out of space on Earth long before they went extinct.
Researchers from Boston University have studied the brains of Downy Woodpeckers and found they have elevated levels of a protein that is associated with brain damage in humans.
Woodpeckers do this untold thousands of times during their lives, and these birds have thrived on Earth for some 25 million years.
A new study finds that the manufacturing process of these novel, nanocrystalline-diamond micro-anvils has proved to be 'remarkably consistent' and demonstrates 'a high level of reproducibility in fabrication.'
New research suggests fragments of a 62-mile-wide disintegrating comet struck Earth 12,800 years ago and spurred burning events larger than those caused by the ‘dinosaur killers.’
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