News
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LifeIn a surprise find, placentas harbor bacteria
Mouth bacteria make their way to the placenta. Some mixes may trigger premature birth.
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Quantum PhysicsQuantum cryptography could shed test for hackers
An added protection of a proposed quantum cryptography method makes eavesdropping nearly impossible.
By Andrew Grant -
LifeGenes gives clues to outcome of species interbreeding
Genetics provides clues to why hybrid river fish formed a subspecies but insects formed a new species.
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ClimateEnvironmental change may spur growth of ‘rock snot’
A controversial new theory suggests alga that forms rock snot isn’t an invader, but a low-key species native to many rivers.