Science Ticker
A roundup of research and breaking news
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We summarize the week's scientific breakthroughs every Thursday.
- 			 Plants PlantsPlants might remember with prionsA plant protein has passed lab tests for prionlike powers as molecular memory. By Susan Milius
- 			 Astronomy AstronomyHubble telescope snaps stunning pic for its 26th birthdayFor its 26th anniversary, the Hubble Space Telescope snapped a picture of star blowing bubbles in space. 
- 			 Health & Medicine Health & MedicineThis week in Zika: Assessing risk, mosquito range, a transmission first and moreSeveral new reports document Zika infection in U.S. pregnant women, a case of male sexual transmission, the range of Zika-carrying mosquitoes and more. By Meghan Rosen
- 			 Genetics GeneticsGene-edited mushroom doesn’t need regulation, USDA saysA CRISPR-edited mushroom isn’t like other GMOs, the U.S. Department of Agriculture says. 
- 			 Animals AnimalsMath models predict mysterious monarch navigationResearchers have come up with a series of equations to predict how monarchs use their eyes and antennae to figure out how to get to Mexico. 
- 			 Physics PhysicsItty bitty engine puts a single atom to workScientists have created a miniature heat engine out of a single atom. 
- 			 Genetics GeneticsMalaria parasite doesn’t pass drug immunity to its offspringMalaria parasites resistant to the antimalarial drug atovaquone die in mosquitoes, a new study finds. 
- 			 Animals AnimalsPied flycatchers cruise nonstop for days to cross the SaharaTeeny, tiny passerine birds called pied flycatchers fly day and night during their annual migration south across the Sahara. 
- 			 Health & Medicine Health & MedicineZika’s role as a cause of severe birth defects confirmedA new analysis from the Centers for Disease control and Prevention confirms that Zika virus infection causes microcephaly and other severe birth defects. By Meghan Rosen
- 			 Health & Medicine Health & MedicineThis week in Zika: New mouse model, virus vs. placenta, nerve insulation lossIn three new papers, scientists present a tool for studying Zika, strike down a theory of infection and offer a broad look at what the virus does to the brain. By Meghan Rosen
- 			 Genetics GeneticsResearchers edit genes in human embryos for second timeResearchers in China deploy CRISPR to alter genes in human embryos again — this time to make cells HIV-resistant. 
- 			 Animals AnimalsAnts’ antennae both send and receive chemical signalsAnts use their antennae to identify nest-mates and potential invaders. But antennae also produce the key compounds that ants use to tell friend from foe.