Life
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We summarize the week's scientific breakthroughs every Thursday.
- 			 Animals AnimalsThese acorn worms have a head for swimmingThe larvae of one type of acorn worm are basically “swimming heads,” according to new genetic analyses. 
- 			 Life LifeBaby starfish on the hunt whip up whirlpoolsStarfish larvae use hairlike cilia to stir up water whorls and suck prey in close. 
- 			 Life LifeBaby starfish whip up whirlpools to snag a mealStarfish larvae use hairlike cilia to stir up water whorls and suck prey in close. 
- 			 Astronomy AstronomyThese 2016 stories could be really big — if they’re trueThese findings would have rocked the scientific world, if only the evidence were more convincing. 
- 			 Animals AnimalsWorld’s largest reindeer population may fall victim to climate changeClimate change and wolves are driving down the reindeer population in Russia’s Taimyr population. 
- 			 Ecosystems EcosystemsLong-ignored, high-flying arthropods could make up largest land migrationsForget birds. 3.5 trillion insects, spiders and mites a year fly over the southern United Kingdom. By Susan Milius
- 			 Life LifeAncient enzymes adapted to a cooler Earth to keep life’s chemical reactions goingAncient enzymes kept their speed at lower temperatures. 
- 			 Neuroscience NeuroscienceHow scientists are hunting for a safer opioid painkillerScientists are sorting through chemical structures, twisting and turning known drugs and exploring new ways to ease pain. 
- 			 Animals AnimalsTales of creatures large and small made news this yearScientists filled in the details of some famous evolutionary tales in 2016 — and discovered a few surprises about creatures large and small. 
- 			 Life LifeForce-detecting protein senses when lungs fill with airA study in mice pinpoints a force-detecting protein that regulates breathing, previously implicated in touch. 
- 			 Health & Medicine Health & MedicineMotherhood might actually improve memoryHaving a baby changes all sorts of things, including a mother’s brain. 
- 			 Animals AnimalsFor some salamanders, finding a mate is a marathonSmall-mouthed salamanders will travel close to nine kilometers on average to mate, a new study finds.