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Should breast cancer tests include prolactin?

Screening breast cancer patients for the prolactin receptor could improve the prognosis for patients and may help them avoid unnecessary and invasive treatments, say researchers.

Zebrafish prefer lookalike robots with the right moves

A new study suggests zebrafish engage more with 3D-moving robotic models of themselves than with other stimuli.

Even 1 tree adds biodiversity to in-between areas

On a gradient from pristine wilderness to a parking lot, most species live somewhere in between. Protecting species in these in-between areas is a challenge because there’s no way to measure biodiversity without time-consuming field surveys.

Super accurate computing wastes tons of energy

Sacrificing a tiny bit of accuracy to run computer models, like those used to create weather forecasts, could save significant amounts of energy.

Image reveals tiny ocean creature getting its shell

Scientists have taken an atomic-scale look at how shells first form around tiny, single-celled organisms that drift through the ocean.

‘Global’ neighborhoods on the rise across US

In all parts of the United States, the number of neighborhoods that are home to a mix of black, white, Asian, and Hispanic residents is growing.

Panel would turn room into wireless charging station

A flat-screen panel that looks like a TV could one day remotely charge any device within its line of sight, according to new research.

Daily cookies with iron lower kids’ lead levels

Cookies containing iron can cause a striking reduction in the blood lead levels of children in regions with high exposure to the toxic heavy metal, report researchers.

Rules on readmission may hurt safety-net hospitals

Safety-net hospitals, which serve large populations of low-income patients, have made significant progress in reducing patient readmissions under a federal penalty program.

Forget the snobs, says economist of wine

Economist Karl Storchmann has always loved wine—so much so that, years ago, before he moved to the US from Germany, he even tried his hand at making his own.

Hydrogel could make burn recovery less painful

For patients with second-degree burns, lengthy bandage changes can be more excruciating than the initial injury.

Did ancient blood feuds lead to violent burials?

There is significant variation in how different cultures over time have dealt with the dead. Yet, at a very basic level, funerals in the Sonoran Desert thousands of years ago were similar to what they are today.

Why caffeine doesn’t leave everybody wired

Depending on your genetic make-up, you might be able to drink coffee right before bed or feel wired after just one cup, ongoing research shows.

Bad ‘zipper’ explains trouble with carbon fibers

Carbon fiber—a pillar of strength in materials manufacturing—could be better, say scientists. They have found that the polymer chains that make up a common carbon fiber are prone to misalign during manufacture, a defect the researchers compared to a faulty zipper that weakens the product.

Rigged election or secure system? Most voters can tell

“Rigged” election rhetoric in the headlines aims to cast doubt about the security of the American voting system.

Can a little exercise control weight after menopause?

Minimal exercise may be all it takes for postmenopausal women to better regulate insulin, maintain metabolic function, and help prevent significant weight gain, a new study suggests.

Double perovskite solar cell could rival silicon

A new design for solar cells that uses inexpensive, commonly available materials could rival and even outperform conventional cells made of silicon.

Ballbot’s new motor has 1 moving part: the ball

More than a decade ago, Ralph Hollis invented the ballbot, an elegantly simple robot whose tall, thin body glides atop a sphere slightly smaller than a bowling ball.

Scientists want robots to build big space telescope

Scientists have proposed a space observatory that would have a primary mirror with a diameter of 100 meters (328 feet)—40 times larger than Hubble’s.

New kind of computer built for complex problems

The processing power of standard computers is likely to reach its maximum in the next 10 to 25 years.