Time travel is possible – but only if you have an object with infinite...

The concept of time travel has always captured the imagination of physicists and laypersons alike. But is it really possible? Of course it is. We’re doing...

Atomic-scale binary logic could power faster, more energy-efficient electronics

Physicists design atomic-scale circuits that could help next-generation computers run 100 times faster or use 100 times less energy. Researchers at the University of Alberta...

New phononic devices could make smaller mobile devices possible

Nanoscale devices can manipulate vibrations in much the same way that conventional electronics manipulate electrons. To make modern communications possible, today's mobile devices make use...

Scientists create way to make solar cell pacemaker

University of Chicago scientists have developed a method to create a solar cell pacemaker, which may be less invasive and less harmful to living...

BMI is still a good measure of your health, research shows

A new study from the University of Bristol supports body mass index (BMI) as a useful tool for assessing obesity and health. A simple measure...

Safety of statins emphasized in new report

The benefits of the cholesterol-lowering medicine called statins far outweigh any risk of side effects, according to a new analysis of decades of scientific...

How much caffeine is too much?

Do you drink just one cup of coffee or tea first thing in the morning, hoping the caffeine in it will jump-start your day? Do...

Why every person with pancreatic cancer should consider genetic testing

Genetics may play a larger role in pancreatic cancer than previously thought, an expert panel has found. It’s led to the American Society of Clinical...

The eyes have it for high blood pressure clues

When Dr. William White shines a bright light in his patient's eye, he's looking for more than just vision problems. He's searching for clues indicating...

When you get older, every physical activity counts

In a recent study, researchers found that people who are active at levels only slightly higher than sedentary have much lower death risk. The study...

Scientists discover the main cause of dementia

In a recent study, researchers confirm the discovery of the main cause of dementia. The researchers suggest that the build-up of urea in the brain...

One of the planets around TRAPPIST-1 may have an ocean

New research gives updated climate models for the seven planets around the star TRAPPIST-1. The work could help astronomers more effectively study planets around stars...

A supernova 2.6 million years ago could have wiped out the ocean’s large animals

For many years, scientists have been studying how supernovae could affect life on Earth. Supernovae are extremely powerful events, and depending on how close they...

Diamonds are forever – whether made in a lab or mined from the earth

It’s diamond season. Almost 40 percent of American engagements happen between Thanksgiving and Valentine’s Day, with Christmas the most popular day to pop the...

How wireless recharging works – and doesn’t, yet

Though the days of hardwired wall-mounted phones are ending and wireless internet connections are common at home and on the go, people are still...