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Letters
Ancient graffiti Regarding “Graffiti on the walls in Pompeii” (SN: 01/30/10, p. 14), I remember reading some years ago about graffiti being discovered in Pompeii. There was even a symbol that researchers interpreted as a sort of “Kilroy was here.” Is this an ongoing study? New sites? I wonder if there were other markings, such […]
- Space
Magnetic flows cause sunspot lows, study shows
Observations of gas flows on the solar surface may explain why the sun recently had such a prolonged case of the doldrums; could lead to more accurate predictions for the duration and severity of future solar cycles.
- Physics
For quantum computer, add a dash of disorder
Flawed crystals could help couple light to matter and may compete with more perfectly ordered materials.
- Health & Medicine
Temporary hearing impairment leads to ‘lazy ear’
A rodent study shows that even after ear infections clear up, brain rewiring may cause long-term hearing problems.
- Health & Medicine
First complete look at families’ genes
Comparing the complete genetic material of family members pinpoints genes involved in three rare inherited diseases.
- Chemistry
Polymer shifts shape with changing temperature
Common material’s ‘memory’ could be exploited for smart fabrics or other gadgets.
- Life
Chicken cells have strong sense of sexual identity
In birds, hormones may not be the last word in determining males and females.
- Life
Evolutionary genetic relationships coming into focus
Researchers have filled in about 40 percent of the tree of life for mammals and birds, but other vertebrates lag behind.
- Health & Medicine
Cocktails ward off the bulge
A large study has found that middle-aged women who drink moderately gain less weight over the years compared to their teetotaling peers.
- Climate
Ancient Norse colonies hit bad climate times
Temperatures in Iceland plummeted soon after settlers arrived, a new chemical analysis suggests.
- Life
Chameleon tongues snappy even when cold
Collagen gives the creatures a bug-catching advantage in chilly conditions.
- Life
Boys and girls differ in genetic response to what mom eats
Expectant mothers’ diets may influence gene activity differently in the placentas that feed sons and daughters, a new mouse study reveals.
