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ChemistryExplosive goes boom, but not too soon
Leavening a volatile new material with good old TNT yields a substance that’s safer to handle and easily reverted into a highly potent form.
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ChemistryIf that’s a TV, this must be the den
In some situations, the brain identifies a location based on a checklist of objects.
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SpaceAtom & Cosmos
Long-lost Martian glaciers, ozone on Venus and more in this week’s news.
By Science News -
Tools tell a more complicated tale of the origin of the human genus
The first animals that could arguably be called “human” made the evolutionary scene a little less than 2 million years ago.