NASA chief warns Congress about Chinese space station

NASA chief Jim Bridenstine told lawmakers Wednesday it was crucial for the US to maintain a presence in Earth's orbit after the International Space Station is decommissioned so that China does not gain a strategic advantage.

So-called junk DNA plays critical role in mammalian development

Nearly half of our DNA has been written off as junk, the discards of evolution: Sidelined or broken genes, viruses that got stuck in our genome and were dismembered or silenced, none of it relevant to the human organism or ...

Plastic teabags release microscopic particles into tea

Many people are trying to reduce their plastic use, but some tea manufacturers are moving in the opposite direction: replacing traditional paper teabags with plastic ones. Now, researchers reporting in ACS' Environmental ...

Scientists unveil plan to create synthetic human genomes

A group of American-led scientists and entrepreneurs has announced the start of a 10-year project aimed at creating synthetic human genomes in a move that could revolutionize the field of biotechnology but raises troubling ...

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