Life
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We summarize the week's scientific breakthroughs every Thursday.
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LifeAfter a breakup, coral embryos live on as clones
Even modest waves can break apart embryonic corals, but the bits that survive can grow into separate clones.
By Susan Milius -
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LifePollutants long gone, but disease carries on
Even without new exposures, various chemicals can impact DNA and cause illness across at least three subsequent generations, rat study finds.
By Janet Raloff -
AnthropologyFrozen mummy’s genetic blueprints unveiled
DNA study reveals the 5,300-year-old Iceman had brown eyes, Lyme disease and links to modern-day Corsicans and Sardinians.
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LifeSardine fishery may be in peril
Cool ocean cycle, population slide evoke collapse of Pacific resource in the late 1940s.
By Susan Milius -
LifeBrain cells know which way you’ll bet
Activity of nerve cells in a key brain structure reveals how people will bet in a card game.
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LifeEggs may be made throughout adulthood
The discovery of stem cells in human ovaries suggests that women are not born with a lifetime’s supply of gametes.
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LifeBird flu less deadly, but more widespread, than official numbers suggest
The H5N1 virus appears to have infected far more than the 573 officially confirmed victims.
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LifeOld-fashioned fish regrow fins
Fish on an ancient line can regenerate lost limbs with newt-like flair, suggesting that ability was shared among ancient ancestors.
By Susan Milius -
LifeThe bloom isn’t off this ancient plant
Using fruit found in Siberia’s permafrost, scientists grow oldest flowering specimen ever produced from preserved tissue.
By Devin Powell -
GeneticsCrosses make lab mice even more useful
Scientists have bred new strains of lab animals with the goal of making it easier to tease out genetic components of complex diseases.