Life
Sign up for our newsletter
We summarize the week's scientific breakthroughs every Thursday.
- 			
			
		AnimalsBad moods could be contagious among ravens
Ravens may pick up and share their compatriots’ negativity, a study on the social intelligence of these animals suggests.
 - 			
			
		PaleontologyThis early sauropod went from walking on four legs to two as it grew
A new computer analysis shows how Mussaurus patagonicus' center of gravity changed as the dinosaur grew.
 - 			
			
		Health & MedicineHow allergens in pollen help plants do more than make you sneeze
A plant’s view of what humans call allergens in pollen grains involves a lot of crucial biology. And sex.
By Susan Milius - 			
			
		GeneticsKey parts of a fruit fly’s genetic makeup have finally been decoded
Jumping genes may make it possible to divvy up chromosomes.
 - 			
			
		AnimalsVaccines may help bats fight white nose syndrome
Researchers are developing an oral vaccine that helps little brown bats survive the fungal disease white nose syndrome.
 - 			
			
		AnimalsSome dog breeds may have trouble breathing because of a mutated gene
Norwich terriers don’t have flat snouts, but can suffer the same wheezing as bulldogs. It turns out that a gene mutation tied to swelling could be to blame.
 - 			
			
		LifeBloodthirsty bedbugs have feasted on prey for 100 million years
Research sheds light on the evolutionary history of the bloodsucking bedbugs. The first species evolved at least as early as the Cretaceous, scientists say.
 - 			
			
		AnimalsPeacock spiders’ superblack spots reflect just 0.5 percent of light
By manipulating light with tiny structures, patches on peacock spiders appear superblack, helping accentuate the arachnids’ bright colors.
 - 			
			
		GeneticsTweaking one gene with CRISPR switched the way a snail shell spirals
The first gene-edited snails confirm which gene is responsible for the direction of the shell’s spiral.
 - 			
			
		Artificial IntelligenceA new AI acquired humanlike ‘number sense’ on its own
A new artificial intelligence seems to share our intuitive ability to estimate numbers at a glance.
 - 			
			
		EcosystemsReaders were curious about green icebergs, aliens and more
Readers had questions and comments about icebergs and climate change, CBD and NASA’s search for E.T.
 - 			
			
		AnimalsDeep-sea fishes’ eye chemistry might let them see colors in near darkness
An unexpected abundance of proteins for catching dim light evolved independently in three groups of weird deep-sea fishes.
By Susan Milius