Humans
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We summarize the week's scientific breakthroughs every Thursday.
- 			 Humans HumansBig fish return to Mexican marine parkMost effects of overharvesting reversed within a decade. By Janet Raloff
- 			 Psychology PsychologyMoms talk, daughters’ hormones listenA familiar voice, but not instant messaging, may trigger a kind of hormonal reassurance in girls. By Bruce Bower
- 			 Tech TechSparing the rare earthsPotential shortages of useful metals inspire scientists to seek alternatives for magnet technologies By Devin Powell
- 			 Tech TechComputers get under our skinEpidermal devices offer new potential to integrate electronics into the body. 
- 			 Health & Medicine Health & MedicineNew in Brief: Body & BrainSecond-guessing cancer treatments, a boyish side to soy and more in this week's news. By Science News
- 			 Life LifeRare gene variants linked to ADHDMissing or added genes cause attention deficit hyperactivity disorder and other disorders, such as autism. 
- 			 Health & Medicine Health & MedicineSleep apnea tied to later dementiaElderly women who have gaps in their breathing at night have a heightened risk of developing cognitive problems, a study finds. By Nathan Seppa
- 			 Humans HumansBag lunches invite disease, study finds“Sack” lunches often pose a ticking bacterial bomb, a new study indicates. And including an ice pack or two — ostensibly to keep perishables at safe temperatures — won’t necessarily eliminate the risk. By Janet Raloff
- 			 Life LifeCommon virus may ride up nose to brainAlmost everyone is infected, but in some people a widespread herpes bug appears to reach the central nervous system by an olfactory route. 
- 			 Humans HumansTaking the measure of a hobbitStudy of fossil skull suggests ancient creature could have been Homo sapiens. 
- 			 Health & Medicine Health & MedicineBody & BrainChilled newborns, statin drugs for stroke, effects of mom’s stress and more in this week’s news. By Science News
- 			 Life LifeHow exercise benefits nerve cellsActivity stimulates production of a neural insulation that moves messages faster.