Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Does breast milk come in pink and blue?
A new analysis of cows shows that mamas make more milk for daughters. Other studies have hinted that human moms produce different milk for sons than for daughters, so perhaps lactating women also boost production for daughters.
- Health & Medicine
Bad kitty: Cat bites can cause nasty infections
Three in 10 patients seeking treatment for hand bites were hospitalized, study finds.
- Science & Society
Figure skating judges get a 10 for duplicity
Sport’s reform efforts have resulted in more nationalistic bias and vote trading.
- Health & Medicine
Vitamin C could give chemo a boost
Injected into mice, the supplement helped anticancer drugs shrink tumors.
- Neuroscience
Prosthetic provides sense of touch to man who lost hand
A new prosthetic hand restores a sense of touch by stimulating nerves in the arm.
- Genetics
Chemical changes to genes make twins’ pain differ
Chemical changes to genes may make identical twins experience pain differently.
- Health & Medicine
Overcoming peanut allergy requires maintenance for most
In small study, nearly all people who stopped eating the legumes daily later experienced an allergic reaction.
- Humans
DNA suggests humans moved back into Africa
About 3,000 years ago, human populations from western Eurasia migrated back into eastern Africa, specifically Ethiopia.
- Health & Medicine
Should your kid eat organic? The answer is complicated
The science behind kids’ pesticide exposure is complicated and patchy.
- Neuroscience
Football helmet redesign can reduce concussion risk
No helmet will ever eliminate the risk of sustaining a concussions during a football game. But tweaking the design may slow the speed of head movements after a hit and reduce the risk of brain trauma.
- Health & Medicine
Smoking equality
A study of tobacco smoking patterns reports that more men than women smoke in every country except Sweden.
- Health & Medicine
Your baby knows who your real friends are
Infants are surprisingly good judges of who ought to be friendly to each other.
