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