News
- Animals
Toothy valves control crocodile hearts
The odd cog teeth of the crocodile heart may be the first cardiac valve known to control blood flow actively.
- Chemistry
HArF! Argon’s not so noble after all
Researchers have for the first time coerced argon into forming a stable and neutral compound with other elements.
- Computing
Computation Takes a Quantum Leap
A quantum computation involving a custom-built molecule furnishes experimental evidence that a quantum computer can solve certain mathematical problems more efficiently than can a conventional computer.
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Egg’s missing proteins thwart primate cloning
Scientists have identified a reason why cloning a person may be difficult, if not impossible.
