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New sequencing data challenges prior thinking that sponges were the most ancient animals in evolutionary history
A fast-growing salmon moves closer to approval after a fishy delay
The largest animal group might need revising after priapulid worm discovery
The virus's evolving virulence is being tracked via samples taken from dead crows and blue jays
A new study signifies the beginning of the end of psychiatrists' guess-work in figuring out which antidepressants work best for individual patients
A new monkey study suggests that genetics and healthy diets might matter more for longevity than consuming a very-low-calorie diet
Changes in the gut microbiome from low-dose antibiotics caused mice to gain weight. Similar alterations in humans taking antibiotics, especially children, might be adding to the obesity epidemic
Some researchers fear that the combined pill's use in healthy people might have unacceptable side effects and spark the emergence of resistant viruses
Fossil suggests evolutionary order requires revision
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