Researchers have designed new metasurfaces using nanoscale techniques inspired by kirigami that could offer a new chip-based way to achieve nanoscale control of light, which could lead to better optical displays, information encoding and digital light processing.

After 20 years of trying, scientists doped a 1D copper oxide chain and found a surprisingly strong attraction between electrons that may factor into the material's superconducting powers.

Black bears (Ursus americanus) reproduced at a younger age in urban areas and were nearly twice the size of bears in national forests shortly after their first birthdays.

Roadside construction -- be it a detour, a closed lane, or a slow weave past workers and equipment -- work zones impact traffic flow and travel times on a system-wide level. The ability to predict exactly what those impacts will be, and plan for them, would be a major help to both transportation agencies and road users.

Greenland may be best known for its enormous continental scale ice sheet that soars up to 3,000 meters above sea level, whose rapid melting is a leading contributor to global sea level rise. But surrounding this massive ice sheet, which covers 79% of the world's largest island, is Greenland's rugged coastline dotted with ice capped mountainous peaks. These peripheral glaciers and ice caps are now...

Scientists have found a new chemical process to turn a stinky, toxic gas into a clean-burning fuel.

A small subset of people, known as controllers, are able to suppress HIV naturally, without the need for medication. A small percentage of controllers ultimately lose the ability to suppress the virus. Researchers have found that aborted control is likely due to HIV-specific T cells losing the ability to replicate and kill infected cells, which can happen years before.

The shea tree is best know as a source for a multimillion-dollar ingredient used in cosmetics, personal care products, pharmaceuticals and chocolate. But for hundreds of thousands of African families living in the 'shea belt' it is also a crucial source of nutrition and income. Despite its increasing demand, the slow-growing shea tree is being threatened by other cash crops and its preservation...

A recent study revealed that endovascular repair of complex aortic aneurysms using fenestrated and branched endografts provides a safe and effective alternative to open surgical repair, with the lowest ever reported mortality rate in this patient population, according to researchers.

A new study in animal models shows that the presence of a cancer tumor alone can lead to cardiac damage, and suggests the culprits are molecules called free radicals interacting with specific cells in the heart. Adding specific types of antioxidants to food consumed by fruit flies with tumors reversed the damage to their hearts -- a finding suggesting that harm caused by free radicals was the...

Demonstrating next-generation energy technology, researchers are using topology optimization and metal 3D printing to design ultra-compact, high-power heat exchangers.

About 300,000 to 400,000 fetuses per year from mothers with diabetes develop neural tube defects -- when the tissue that eventually forms the brain and spinal cord fails to form properly -- which can lead to miscarriage or profound disability. Now using studies in mice, researchers have identified the mechanism behind these structural birth defects, which they say is due to the neural tissue aging...

Researchers are developing a smart dental implant that resists bacterial growth and generates its own electricity through chewing and brushing to power a tissue-rejuvenating light. The innovation could extend the usable life of an implant.

Using a groundbreaking new technique, researchers has revealed previously unrecognized properties of technologically crucial silicon crystals and uncovered new information about an important subatomic particle and a long-theorized fifth force of nature.

Researchers report that food science principles have helped them determine how unusual droplets within cells stay organized and avoid dissolving into the rest of the cell's gelatinous interior.

Researchers have identified a specific molecule in a part of the brain called the thalamus that plays a key role in secondary effects of traumatic brain injury, such as sleep disruption, epileptic activity, and inflammation. They also showed that an antibody treatment could prevent the development of these negative outcomes.

Contrary to common thinking, cocaine triggers an addiction only in 20% of the consumers. But what happens in their brains when they lose control of their consumption? Thanks to a recent experimental method, neuroscientists have revealed a brain mechanism specific to cocaine, which has the particularity of triggering a massive increase in serotonin in addition to the increase in dopamine common to...

The most devastating tornadoes are often preceded by a cloudy plume of ice and water vapor billowing above a severe thunderstorm. New research reveals the mechanism for these plumes could be tied to 'hydraulic jumps' -- a phenomenon Leonardo Da Vinci observed more than 500 years ago.

As an individual's free time increases, so does that person's sense of well-being -- but only up to a point. Too much free time can be also be a bad thing, according to new research.

Researchers have set a world record for innovation in quantum computing.

A 170 m record of marine sediment cores extracted from Adélie Land in Antarctica is yielding new insights into the complicated relationship between sea ice and climate change.

Wingtips of certain species of silkmoth are structured to reflect sound and throw off attackers, according to a new study.

A new study indicates that an enzyme called protein phosphatase 2 (PP2A) appears to be a major driver of preeclampsia, a dangerous pregnancy complication characterized by the development of high blood pressure and excess protein in the urine. The finding could lead to new treatments for preeclampsia other than premature delivery, which is often the only option.

Building a base on the moon was once something out of science fiction, but now scientists are starting to consider it more seriously. Researchers are investigating methods for mining lunar resources to build such a base, using swarms of autonomous robots.