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Massive lakes could lie beneath ice of Jupiter moon

PARIS — A body of water as big as North America’s Great Lakes could lie beneath Europa, a shining enigmatic moon of Jupiter, astronomers reported on Wednesday. The finding — if backed by a hoped-for unmanned robot mission — is exciting, for water is one of the key ingredients for…

Why the Black Death was the mother of all plagues

Plague germs teased from mediaeval cadavers in a London cemetery have shed light on why the bacterium that unleashed the Black Death was so lethal and spawned later waves of epidemics. The DNA of Yersinia pestis shows, in evolutionary terms, a highly successful germ to which the population of 14th-century…

Scientists trap ‘antimatter’ hydrogen atoms

PARIS — Scientists at CERN said they had trapped dozens of hydrogen “antimatter” atoms, a technical feat that boosts research into one of the great puzzles of particle physics. Under a theory expounded in 1931 by the eccentric British physicist Paul Dirac, when energy transforms into matter, it produces a…

Monster Moby Dick chomped on whales

PARIS — Scientists reported Wednesday the discovery of an extinct predator sperm whale with jaws and teeth so huge it probably hunted other whales not less than half its size. Named in honour of the author of “Moby Dick”, Leviathan melvillei lived some 12 to 13 million years ago, a…

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