Reducing the risk of blood clots in artificial heart valves

Most people are familiar with turbulence in aviation: certain wind conditions cause a bumpy passenger flight. But even within human blood vessels, blood flow can be turbulent. Turbulence can appear when blood flows along ...

Lighting up cardiovascular problems using nanoparticles

Heart disease and stroke are the world's two most deadly diseases, causing over 15 million deaths in 2016 according to the World Health Organization. A key underlying factor in both of these global health crises is the common ...

Grow your own blood vessel model in a dish

Personalised blood vessel testing kit could unravel causes and treatments for heart attack, stroke and vascular dementia, find scientists.

In Antarctica, tourists swim among penguins

"It's like getting stabbed," a tourist exclaims, as he plunges into the three-degree Celsius (37-Fahrenheit) water, all under the intrigued gaze of a group of penguins.

Researchers report first recording of a blue whale's heart rate

Encased in a neon orange plastic shell, a collection of electronic sensors bobbed along the surface of the Monterey Bay, waiting to be retrieved by Stanford University researchers. A lunchbox-sized speck in the vast waters, ...

Forests face climate change tug of war

In a world of rising levels of atmospheric carbon dioxide, plants should be happy, right? Experiments have shown that, yes, increased carbon dioxide does allow plants to photosynthesize more and use less water.

page 1 from 23