Active galactic nuclei (AGN) are supermassive black holes at the centers of galaxies that are accreting material. These AGN emit jets of charged particles that move at speeds close to that of light, transporting huge amounts ...
Astronomy
Dec 31, 2019
1
626
A firefighter says asbestos, mold and toxic fumes inside a fire station in Alabama's largest city have sickened him and other firefighters.
Environment
Dec 31, 2019
0
12
Egypt's recent decision to transport ancient Pharaonic artifacts to a traffic circle in the congested heart of Cairo has fueled fresh controversy over the government's handling of its archaeological heritage.
Archaeology
Dec 31, 2019
4
22
Tiny bits of DNA collected from waters off the West Coast allowed scientists to identify more species of marine vertebrates than traditional surveys with trawl nets. They also reflect environmental shifts such as unusual ...
Ecology
Dec 31, 2019
0
28
Visible imagery from NASA's Aqua satellite on Dec. 31 revealed that Tropical Cyclone Calvinia had moved south of the island of Mauritius in the Southern Indian Ocean.
Environment
Dec 31, 2019
0
9
NASA-NOAA's Suomi NPP satellite provided forecasters with an image of Tropical Cyclone Sarai and it showed a much weaker storm near Tonga in the South Pacific Ocean.
Environment
Dec 31, 2019
0
8
Using the National Science Foundation's Karl G. Jansky Very Large Array radio telescope, a team of astronomers has captured for the first time an image of large-scale, coherent, magnetic fields in the halo of a faraway spiral ...
Astronomy
Dec 31, 2019
19
1489
When drops of water touch the surface of a lotus flower leaf, they form beads and roll off, collecting dust particles along the way. In contrast, water droplets on a rose petal also form beads, but remain pinned to the petal's ...
Materials Science
Dec 31, 2019
1
176
The school year is over and holidays are upon us. But that doesn't mean your children's learning experiences can't continue.
Education
Dec 31, 2019
0
24
In pet-loving nations such as Australia, nobody likes the idea of dogs churning out litters in squalid conditions or sitting homeless in a shelter.
Veterinary medicine
Dec 31, 2019
3
558
