A sphere and a cube can be deformed into one another without cuts or stitches. A mug and a glass cannot because, to deform the first into the second, the handle needs to be broken. Topology is the branch of mathematics that ...
General Physics
Nov 13, 2020
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15
Scientists at the University of Turku, Finland, have discovered the origin of the glow in the natural mineral that generates white luminescence in the dark. By studying natural minerals, significant new knowledge can be gained ...
Materials Science
Nov 3, 2020
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15
A team of European researchers discovered a new high-pressure mineral in a lunar meteorite which is helping to explain what happens to materials within the extreme pressures of the Earth's mantle.
Earth Sciences
Nov 2, 2020
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3996
Chemists at the University of Bayreuth have developed a material that could well make an important contribution to climate protection and sustainable industrial production. With this material, the greenhouse gas carbon dioxide ...
Materials Science
Oct 20, 2020
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1815
Farmers can use a variety of practices to keep their soils healthy. Some of these practices include not tilling the land, planting cover crops between growing seasons and rotating the type of crop grown on each field.
Environment
Oct 19, 2020
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15
NASA's OSIRIS-REx spacecraft mission, launched on Sept. 8, 2016, is the first U.S. mission designed to retrieve a pristine sample of an asteroid and return it to Earth for further study. The mission's target is Bennu, a carbon-rich ...
Space Exploration
Oct 8, 2020
3
239
University of Alberta scientists have uncovered the formation mechanism behind a class of mineral deposits that have been hotly contested until now. The findings shed new light on how iron deposits, among others, form—and ...
Earth Sciences
Sep 23, 2020
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122
Research has found a proposal to regulate mining of Indigenous lands in Brazil's Amazon rainforest could affect more than 863,000 square kilometers of forest and harm the nation's economy.
Earth Sciences
Sep 18, 2020
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219
The greatest Christmas present Priscilla Grew received last year was an email.
Earth Sciences
Sep 16, 2020
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14
Several minerals suffer radioactive self-irradiation and experience long-term changes to their properties. The mineral monazite behaves like Camembert cheese in which holes are drilled: existing radiation damage heals itself. ...
Materials Science
Sep 9, 2020
0
465
