Science Ticker
A roundup of research and breaking news
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We summarize the week's scientific breakthroughs every Thursday.
- 			 Genetics GeneticsDNA may determine if you’re an early bird or night owlMorning people are more likely to have certain variations in their DNA, but less likely to have insomnia or sleep apnea. 
- 			 Genetics GeneticsU.K. first to approve gene editing of human embryos for researchThe United Kingdom is the first government to approve gene editing in human embryos for research purposes. 
- 			 Health & Medicine Health & MedicineWHO declares international emergency for cases linked to Zika virusThe recent spate of birth defects and neurological disorders linked to Zika virus infection constitutes an international public health emergency, the World Health Organization declared February 1. By Meghan Rosen
- 			 Animals AnimalsBehavior, body size impact bats’ fight against white-nose syndromeBehavioral and physical traits buffer some bats against white-nose syndrome while leaving others vulnerable. 
- 			 Animals AnimalsSkin color changes reveal octopus dramaShallow-water octopuses use changes in skin color to communicate aggression to their peers, study suggests. 
- 			 Tech TechMachine trumps man in strategy game GoFor the first time, a computer has beat a professional human player in the strategy game Go. By Meghan Rosen
- 			 Health & Medicine Health & MedicineMonkeys with human gene show signs of autismGenetically altered monkeys may help scientists understand autism. 
- 			 Animals AnimalsTegu lizards warm up for mating seasonThe heat is on in tegu lizards during mating season, study suggests. 
- 			 Animals AnimalsNew tree frog genus discovered in IndiaResearchers unveil a newly identified tree frog genus from northeastern India that eats mom’s eggs. 
- 			 Planetary Science Planetary ScienceEvidence mounts for hidden ninth planetA new analysis of bodies in the Kuiper Belt strengthens the case for an unseen planet lurking in the outer regions of our solar system. 
- 			 Genetics GeneticsBubonic plague hung around in EuropeDNA from plague victims suggests that a European reservoir of the plague bacterium Yersinia pestis could have fueled the medieval pandemic. 
- 			 Health & Medicine Health & MedicineCDC issues travel guidelines for pregnant womenPregnant women should consider postponing travel to much of Latin America and the Caribbean. By Meghan Rosen