Envisioning an animal-free drug supply, scientists have—for the first time—reprogrammed a common bacterium to make a designer polysaccharide molecule used in pharmaceuticals and nutraceuticals. Published today in Nature ...
Biotechnology
Mar 2, 2021
0
164
In a world first, an international team of researchers has read an unopened letter from Renaissance Europe—without breaking its seal or damaging it in any way.
Archaeology
Mar 2, 2021
1
1543
Hours before the 2018 eruption of Sierra Negra, the Galápagos Islands' largest volcano, an earthquake rumbled and raised the ground more than 6 feet in an instant. The event, which triggered the eruption, was captured in ...
Earth Sciences
Mar 2, 2021
4
170
An Indonesian volcano erupted on Tuesday morning spewing a spectacular column of ash thousands of metres (feet) into a powder blue sky.
Environment
Mar 2, 2021
0
12
Global CO2 emissions have returned to pre-pandemic levels and then some, threatening to put climate treaty targets for capping global warming out of reach, the International Energy Agency said Tuesday.
Environment
Mar 2, 2021
3
21
An unmanned test mission of Boeing's Starliner space capsule, which is eventually to transport astronauts to the International Space Station, has had to be postponed, NASA said Monday.
Space Exploration
Mar 2, 2021
0
11
In the middle of the Indian Ocean lies some of the last coral reef wilderness on Earth. The Chagos Archipelago, a collection of atolls, including Earth's largest—the Great Chagos Bank—is home to reefs that have been largely ...
Ecology
Mar 2, 2021
0
5
Since 1970, bird populations in North America have declined by approximately 2.9 billion birds, a loss of more than one in four birds. Factors in this decline include habitat loss and ecosystem degradation from human actions ...
Ecology
Mar 2, 2021
0
9
Early exposure to tough conditions—particularly warmer waters and nightly swings of low oxygen—could leave lasting scars on oysters' ability to grow meaty tissue. A team of biologists at the Smithsonian Environmental ...
Ecology
Mar 2, 2021
1
19
A new paper in Oxford Open Materials Science presents low cost modifications to existing N95 masks that prolongs their effectiveness and improves their reusability post disinfectants.
Materials Science
Mar 2, 2021
0
13
