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Societal control of sugar essential to ease public health burden, experts urge
Sugar should be controlled like alcohol and tobacco to protect public health, according to a team of researchers, who maintain in a new report that sugar is fueling a global obesity pandemic, contributing to 35 million deaths annually worldwide from non-communicable diseases like diabetes, heart disease and cancer.

Chaos in the cell's command center
Researchers have determined the critical role one enzyme, lysine-specific demethylase 1 (LSD1), plays as mouse embryonic stem cells (ESCs) differentiate. This research may provide targets for developing drugs to push cells with dysfunctional gene expression programs back to a more normal, healthier state.

Untangling the mysteries of Alzheimer's
Researchers have found new evidence that confirms the significance of a protein that neuroscientists call tau to the development of Alzheimer's disease. While earlier studies have focused on tau's aggregation into twisted structures known as "neurofibrillary tangles," the new work emphasizes intermediary steps between single protein units and the much larger tangles – small assemblages of two, three, four or more proteins, which the investigators believe are the most toxic entities in Alzheimer's.

DNA test that identifies Down syndrome in pregnancy can also detect trisomy 18 and trisomy 13
A recent study shows that a new DNA test that identifies Down syndrome in pregnancy can also detect trisomies 18 and 13.

Elevated glucose associated with undetected heart damage
A new study suggests that hyperglycemia injures the heart, even in patients without a history of heart disease or diabetes. The high-sensitivity test they used detected levels of cTnT tenfold lower than those found in patients diagnosed with a heart attack.

Hand counts of votes may cause errors
Hand counting of votes in postelection audit or recount procedures can result in error rates of up to two percent, according to a new study.

Unraveling a butterfly's aerial antics could help builders of bug-size flying robots
By figuring out how butterflies flutter among flowers with amazing grace and agility, researchers hope to help build small airborne robots that can mimic those maneuvers.

New way to study ground fractures
Geophysics researchers have created a new way to study fractures by producing elastic waves, or vibrations, through using high-intensity light focused directly on the fracture itself.

Millisecond pulsar paradox: Stellar astrophysics helps explain behavior of fast rotating neutron stars in binary systems
Pulsars are among the most exotic celestial bodies known. They have diameters of about 20 kilometers, but at the same time roughly the mass of our sun. A sugar-cube sized piece of its ultra-compact matter on Earth would weigh hundreds of millions of tons. A sub-class of them, known as millisecond pulsars, spin up to several hundred times per second around their own axes. Previous studies reached the paradoxical conclusion that some millisecond pulsars are older than the universe itself. Now this paradox may be solved by computer simulations, new research shows.

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