Scientists at ETH Zurich and the South African company Strait Access Technologies are using 3-D printing to produce custom-made artificial heart valves from silicone. This could help meet an aging population's growing demand ...
Biotechnology
Jul 23, 2019
0
236
Arteries and veins leave their marks on the bones of the cranium, and these traces can be used in anthropology, bioarchaeology and paleontology to investigate the blood system in extinct species or past populations. This ...
Evolution
Jun 26, 2019
0
0
Stroke, one of the leading causes of death worldwide, is normally caused by poor blood flow to the brain, or cerebral ischemia. This condition must be diagnosed within the first few hours of the stroke for treatment to be ...
Optics & Photonics
Jun 11, 2019
0
109
Nanoparticles (NPs) are a promising platform for drug delivery to treat a variety of diseases including cancer, cardiovascular disease and inflammation. Yet the efficiency of NP transfer to the diseased tissue of interest ...
If you live in a country with venomous snakes, or are travelling to one, here are a few tips to avoid being bitten.
Plants & Animals
Mar 19, 2019
2
6
Many complex systems in biology can be conceptualized as networks. This perspective helps researchers understand how biological systems work on a fundamental level, and can be used to answer key questions in biology, medicine, ...
General Physics
Jan 28, 2019
0
85
Optoacoustic imaging powered by short bursts of continuous wave (CW) lasers can stimulate the emission of ultrasound waves inside an animal or in human subjects. The method can noninvasively capture blood flow and produce ...
Quantitative models based on nonlinear dynamics and complex systems are frequently used in various areas ranging from climate research to neuroscience to power networks. Such systems, including biological organisms, consist ...
General Physics
Dec 21, 2018
0
4
Himalayan marmots can survive at altitudes up to 5,000 meters in the Himalayan regions of India, Nepal, and Pakistan and on the Qinghai-Tibetan Plateau of China, where many of them face extreme cold, little oxygen, and few ...
Biotechnology
Dec 20, 2018
0
67
NASA has made a commitment to send humans to Mars by the 2030s. This is an ambitious goal when you think that a typical round trip will anywhere between three and six months and crews will be expected to stay on the red planet ...
Space Exploration
Nov 19, 2018
3
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