Chemical clues left behind by humble microbes have rewritten the timeline of one of the biggest mass extinction events in Earth's history.
Earth Sciences
Nov 18, 2020
0
4
A team of researchers at the Parkes Observatory in NSW Australia has reported recording the brightest fast radio burst (FRB) yet on March 9 of this year. They describe it as having a high signal-to-noise ratio with an "orientation ...
Picture the scene: two gigantic black holes, each one a good fraction of the size of our Solar System spiralling around each other. Closer and closer they draw until they touch and merge into a single, even more gigantic ...
Astronomy
Sep 29, 2015
1
36
The sights, sounds and spectacle of French grand opera may have helped to keep the revolutionary spirit alive in the hearts and minds of Parisian audiences, according to research by a University of Nottingham academic.
Social Sciences
Jan 28, 2014
0
0
For the first time, a dramatic global climate shift has been linked to the impact in Quebec of an asteroid or comet, Dartmouth researchers and their colleagues report in a new study. The cataclysmic event wiped out many of ...
Earth Sciences
Sep 2, 2013
28
0
We value gold for many reasons: its beauty, its usefulness as jewelry, and its rarity. Gold is rare on Earth in part because it's also rare in the universe. Unlike elements like carbon or iron, it cannot be created within ...
Astronomy
Jul 17, 2013
90
2
It is rather difficult to imagine, but approximately 635 million years ago, ice may have covered a vast portion of our planet in an event called "Snowball Earth." According to the Snowball Earth hypothesis, the massive ice ...
Earth Sciences
Feb 28, 2013
18
0
(Phys.org)—Using ESA's Herschel space observatory, astronomers have discovered vast comet belts surrounding two nearby planetary systems known to host only Earth-to-Neptune-mass worlds. The comet reservoirs could have delivered ...
Astronomy
Nov 27, 2012
1
0
(PhysOrg.com) -- Paleontologists digging in the south of England have unearthed what might be the smallest dinosaur ever discovered; at just a foot long and weighing only a couple hundred grams, the Ashdown maniraptoran, ...
In the aftermath of a dirty bomb, hundreds or even thousands of victims could require medical attention. First responders conduct extensive training to prepare for such a cataclysmic event, but planning is difficult without ...
Software
Jan 25, 2011
0
0
