Oldest Scandinavian human DNA found in ancient chewing gum

The first humans who settled in Scandinavia more than 10,000 years ago left their DNA behind in ancient chewing gum, masticated lumps made from birch bark pitch. This is shown in a new study conducted at Stockholm University ...

Printable 'bionic' ear melds electronics and biology

Scientists at Princeton University used off-the-shelf printing tools to create a functional ear that can "hear" radio frequencies far beyond the range of normal human capability.

Searching for an ancient syphilis DNA in newborns

The ancient bones of newborns are very useful to recover the ancient DNA of the bacteria causing syphilis, the Treponema pallidum pallidum. This is the conclusion reached by a study led by Universitat Autonoma de Barcelona ...

New chimpanzee culture discovered

Chimpanzees have a more elaborate and diversified material culture than any other nonhuman primate. Their behavior varies across tropical Africa in a way that does not always correspond to ecology. For instance, only West ...

These molecules could trap viruses inside a cell

Viruses are often used as vehicles for delivery in gene therapy because they're engineered not to damage the cell once they get there, but neglecting to consider how the virus will exit the cell could have consequences.

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