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
Black carbon, commonly known as soot, is a significant contributor to global warming and is strongly linked to adverse health outcomes. Produced by the incomplete combustion of fuels—emitted from large trucks, trains, and ...
Earth Sciences
Jul 23, 2019
2
137
By adopting a few beneficial management practices, farms—and particularly dairy farms—can play a key role in reducing greenhouse gas emissions that are warming the planet, according to a team of researchers.
Earth Sciences
Jul 23, 2019
0
282
Peter Moore discovered a fragment from a 1,800 year-old glass fish at the National Trust's Chedworth Roman Villa in Gloucestershire.
Archaeology
Jul 23, 2019
0
636
All atoms and molecules emit distinctive spectral lines across the spectrum, the details of which depend on the internal structures of the species (for example, the vibration and rotation properties of molecules) and how ...
Astronomy
Jul 23, 2019
0
158
An ambitious instrument for ESA's ExoMars 2020 mission has passed its testing in conditions resembling those on the Red Planet. It will now be transported to Russia for its acceptance review, followed by integration onto ...
Space Exploration
Jul 23, 2019
0
53
Composite materials are increasingly popular. One of the primary composite materials for modern structures is glass fiber reinforced plastic (GFRP), which is commonly used in aviation, modern transport and wind power plants. ...
Materials Science
Jul 23, 2019
0
12
Between 10 million and 6 million years ago, vegetation across much of the world underwent a transformation, as warmth-adapted grasses displaced previously dominant plants, shrubs and trees. The new grasses carried out the ...
Plants & Animals
Jul 23, 2019
0
226
A historic 120-year-old data set is allowing researchers to confirm what data modeling systems have been predicting about climate change: Climate change is increasing precipitation events like hurricanes, tropical storms ...
Environment
Jul 23, 2019
0
92
Over the past decade, numerous physics studies have explored how oscillating electric fields produced by lasers or microwave sources can be used to dynamically alter the properties of materials on demand. In a new study featured ...
