Humans
Sign up for our newsletter
We summarize the week's scientific breakthroughs every Thursday.
- 			
			
		ArchaeologyHumans visited Arctic earlier than thought
Human weapon injuries on mammoth bones show humans were in the Arctic up to 15,000 years earlier than researchers thought.
 - 			
			
		Science & SocietyInsights into sexes’ differing responses to stress
Chronic stress takes its toll on everyone. One of our reporters follows a line of research suggesting that stress hits women harder (or at least differently) than men.
By Eva Emerson - 			
			
		GeneticsDrug candidate fails to improve symptoms of fragile X syndrome
A drug designed to treat fragile X syndrome has proven ineffective in clinical trials.
 - 			
			
		LifeSigns of food allergies may be present at birth
Overactive immune cells may prime babies for food allergies.
 - 			
			
		GeneticsDrug candidate fails to improve symptoms of fragile X syndrome
A drug designed to treat fragile X syndrome has proven ineffective in clinical trials.
 - 			
			
		ArchaeologyAncient stone tools raise tantalizing questions over who colonized Sulawesi
Hominids reached an island not far from hobbits’ home by around 200,000 years ago.
By Bruce Bower - 			
			
		AnthropologyIceman has the world’s oldest tattoos
A more than 5,000-year-old European mummy gets his tattoos confirmed as world’s oldest.
By Bruce Bower - 			
			
		Health & MedicineMom’s weight during pregnancy shapes baby’s health
Obesity at conception or during pregnancy is a big problem that's getting bigger: New evidence says a child's mental health could be at stake.
By Laura Beil - 			
			
		NeuroscienceHis stress is not like her stress
When the pressure doesn’t let up, men and women react differently. The root of the difference may be messaging within the brain.
By Susan Gaidos - 			
			
		 - 			
			
		Health & MedicineYoung infants have perceptual superpowers
Babies have superpowers that let them see and hear things that adults can’t.
 - 			
			
		ArchaeologyRoman toilets didn’t flush parasites
Roman sanitation measures did little to dent parasite numbers, study finds.