Uncategorized
- Tech
Imperfect chip pretty darn good
Faster, smaller and more efficient, processors with that cut corners can still be good for some applications.
- Tech
DNA used as rewritable data storage in cells
Genetically encoded memory could track cell division inside the body.
- Earth
Pumping groundwater raises sea level
Two new studies flag an underreported factor in global ocean change.
-
- Life
Climate change miscues may shrink species’ outer limits
Ecological partnerships are getting out of sync especially at high latitudes, a study of hummingbirds suggests.
- Health & Medicine
Severe sleep apnea tied to cancer risk
A chronic lack of oxygen caused by disrupted rest may explain the association, researchers say.
-
- Humans
From cancer to quantum, teens’ scientific feats celebrated
Winners of the 2012 Intel ISEF show the promise of science for improving the world.
- Life
Good cholesterol may not be what keeps the heart healthy
Genetic study suggests that higher levels of HDL aren’t directly responsible for the lower risk of cardiovascular disease seen in population studies.
-
The neutrino messengers
In 1844 Samuel Morse sent a telegram from Washington, D.C., to Baltimore using pulses of electrons to encode “What hath God wrought.” Now that message has gotten a reply, courtesy of physicist Kevin McFarland and a team of his colleagues. Kevin McFarland, a physicist who sent a message using neutrinos, left his mark on the […]
-
Letters
Information as substrate In a recent article (“Enriched with information,” SN: 3/10/12, p. 22), you point out that some researchers consider consciousness to be a form of information. In another (“Bits of reality,” SN: 4/7/12, p. 26), you mention that increasing numbers of physicists are coming to regard information as the basic “stuff” from which […]
-
SN Online
HUMANS Learn what confidence means for group decision-making strategies in “Two heads sometimes better than one.” S. Osaki/Phys. Rev. Lett. 2012 MATTER & ENERGY A structural change in spider silk (below) makes it strong enough to string a violin. Read “Scientist fiddles with spider silk.” BODY & BRAIN A physician describes controversial anatomical evidence for […]
