Armored worm reveals the ancestry of three major animal groups

An international team of scientists, including from the Universities of Bristol and Oxford, and the Natural History Museum, have discovered that a well-preserved, fossilized worm dating from 518 million years ago resembles ...

How old is that fingerprint?

Forensic dramas on TV make it seem easy to determine when fingerprints were left at the scene of a crime. In reality, the oils in fingerprints degrade over time, and it's difficult to figure out their age. Now, researchers ...

Prions: New possible therapeutic target discovered

Prion diseases, such as bovine spongiform encephalopathy ("mad cow disease"), are lethal neurodegenerative infectious diseases that affect humans and other mammals and for which there is currently no cure.

Scientists identify key mechanism controlling skin regeneration

It's sunburn season. Many of us have experienced the pain and peeling that comes from unprotected time in the sun, but we may not focus on a remarkable and vital part of the process: the regeneration of skin as the damaged ...

How grasses like wheat can grow in the cold

A new, large-scale analysis of the relationships among members of the largest subfamily of grasses, which includes wheat and barley, reveals gene-duplication events that contributed to the adaptation of the plants to cooler ...

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