Humans
We summarize the week's scientific breakthroughs every Thursday.
- Chemistry
Tongue’s sour-sensing cells taste carbonation
A protein splits carbon dioxide to give fizz its unique flavor.
- Health & Medicine
Brain speed-reads using just one part
Scientists measure the speed of recognizing, manipulating and producing speech in human brains.
- Anthropology
Pygmies’ short stature linked to high death rates
Island-dwelling pygmies provide contested evidence that body size shrinks as mortality rates climb.
- Chemistry
Bad perfume: Cardboard’s intense scents
Wet cardboard and food should not share the same air space.
- Health & Medicine
Getting to the core of H1N1 flu deaths
Lung inflammation and a lack of oxygen in the blood appear responsible for most fatal cases of H1N1 (swine) flu, three studies show.
- Health & Medicine
H1N1 flu is back and found in 37 states, CDC reports
Just as vaccine begins to become available, swine flu cases show up in a majority of the United States. And early results from a new study suggest H1N1 and seasonal flu vaccination shots are effective when given during the same visit.
- Humans
It’s time to reform work hours for resident physicians
A Harvard Medical School physician and sleep researcher says rules should be changed to make sure physicians-in-training get the sleep they need.
- Planetary Science
Award named for late Science News writer
Jonathan Eberhart's name lives on in a new planetary-sciences award.
- Life
Circadian clockwork takes unexpected turns
Some neurons in the brain’s master clock fall silent in the afternoon. The unexpected finding prompts scientists to rethink how the clock works.
- Health & Medicine
Retrovirus might be culprit in chronic fatigue syndrome
An obscure pathogen shows up often in people diagnosed with the condition, scientists find.
- Health & Medicine
Pigs use mirrors
After some time to play around with a mirror, pigs figure out what to do when they glimpse a reflection of food.
- Chemistry
Concerned about BPA: Check your receipts
Some cash register receipts offer the potential for relatively large exposures to an estrogen mimic.
