Life
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We summarize the week's scientific breakthroughs every Thursday.
- 			 Life LifeDelay of bloom blamed on climate changeFlowers that appear immune to global warming in spring may simply be taking a cue from the previous warmer autumn. By Susan Milius
- 			 Life LifeNo new smell cellsOther mammals constantly create new olfactory neurons as they learn new smells, but a new study suggests humans don’t. 
- 			 Life LifeClimate change miscues may shrink species’ outer limitsEcological partnerships are getting out of sync especially at high latitudes, a study of hummingbirds suggests. By Susan Milius
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- 			 Life LifeGood cholesterol may not be what keeps the heart healthyGenetic study suggests that higher levels of HDL aren’t directly responsible for the lower risk of cardiovascular disease seen in population studies. 
- 			 Ecosystems EcosystemsDarwin’s DevicesWhat Evolving Robots Can Teach Us About the History of Life and the Future of Technology, by John Long. 
- 			 Animals AnimalsBetter bird nesting also good for giant manta raysDisrupting tree canopies on a Pacific atoll discourages big fish off shore through a long chain of ecological consequences. By Susan Milius
- 			 Tech TechParalyzed woman grips, sips coffee with robot armFor the first time, a brain-computer interface is powerful enough to enable useful movement in human patients. 
- 			 Life LifeGene study links stronger memories, PTSDNew finding may help explain why some people experience psychological problems after traumatic experiences. 
- 			 Life LifeClimate change may leave many mammals homelessIn some places over the next century, projected warming threatens the survival of more than one in three species. By Janet Raloff
- 			 Life LifeGenes may influence body’s bacteriaSpecific DNA variants have been found to be associated with the types of microbes that colonize a person’s body. 
- 			 Life LifeGene appears linked with a person’s daily rhythmsVariations could play a role in determining time of death, or help shift workers better adapt.