In the June 23 SN: Emmy Noether gets her due, the 411 on ancestry testing, bonobo birthing buddies, a mysterious neutrino surplus, the oldest known lizard fossil, genetic genealogy in police work, Pluto’s dunes and more.
PRECIOUS TIME Investigations that equip volunteers with smartphones indicate that suicidal thoughts fluctuate in signature ways over just a few hours. Closer scrutiny of these thinking patterns may lead to advances in suicide prevention.
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TEEN HEALTH The latest national survey on teen health behaviors finds that fewer teens are having sex than at any time since 1991, the first year the survey was conducted. But condom use has recently gone down, putting more teens at risk for sexually transmitted infections.
FOOD ALLERGY LINK A large population-based study finds a connection between allergies, including those to foods, and autism spectrum disorder in kids. But having such an allergy doesn’t mean a child will develop autism, scientists say.