Life
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We summarize the week's scientific breakthroughs every Thursday.
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LifeHow not to eat the wrong frog
Panamanian bats use an array of senses to keep from ingesting poison prey.
By Susan Milius -
LifeBlue light tells plants when to flower
Protein that marks day length also coordinates blooming genes.
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LifeDelay of bloom blamed on climate change
Flowers that appear immune to global warming in spring may simply be taking a cue from the previous warmer autumn.
By Susan Milius -
LifeNo new smell cells
Other mammals constantly create new olfactory neurons as they learn new smells, but a new study suggests humans don’t.
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LifeClimate change miscues may shrink species’ outer limits
Ecological partnerships are getting out of sync especially at high latitudes, a study of hummingbirds suggests.
By Susan Milius -
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LifeGood cholesterol may not be what keeps the heart healthy
Genetic study suggests that higher levels of HDL aren’t directly responsible for the lower risk of cardiovascular disease seen in population studies.
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EcosystemsDarwin’s Devices
What Evolving Robots Can Teach Us About the History of Life and the Future of Technology, by John Long.
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AnimalsBetter bird nesting also good for giant manta rays
Disrupting tree canopies on a Pacific atoll discourages big fish off shore through a long chain of ecological consequences.
By Susan Milius -
TechParalyzed woman grips, sips coffee with robot arm
For the first time, a brain-computer interface is powerful enough to enable useful movement in human patients.
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LifeGene study links stronger memories, PTSD
New finding may help explain why some people experience psychological problems after traumatic experiences.
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LifeClimate change may leave many mammals homeless
In some places over the next century, projected warming threatens the survival of more than one in three species.
By Janet Raloff