News tagged with mass events
Astronomers discovered ancient Egyptian observations of a variable star
The study of the "Demon star", Algol, made by a research group of the University of Helsinki, Finland, has received both scientific and public attention. The period of the brightness variation of this eclipsing binary star ...
Space & Earth / Space Exploration
May 16, 2012 |
5 / 5 (8) |
0
|
Sun delivered curveball of powerful radiation at Earth
A potent follow-up solar flare, which occurred Friday (Jan. 17, 2012), just days after the Sun launched the biggest coronal mass ejection (CME) seen in nearly a decade, delivered a powerful radiation punch ...
Space & Earth / Space Exploration
Feb 01, 2012 |
4.5 / 5 (4) |
0
|
NRL's SoloHI instrument selected for flight on solar orbiter mission
The Naval Research Laboratory's Solar Orbiter Heliospheric Imager (SoloHI), part of the Solar Orbiter mission, is headed for space. The European Space Agency (ESA) has chosen the Solar Orbiter mission as the ...
Space & Earth / Space Exploration
Jan 24, 2012 |
not rated yet |
0
A black hole unmasked
Black holes are among the most amazing and bizarre predictions of Einstein's theory of gravity. A black hole is thought to be point-like in dimension, but it is surrounded by an imaginary surface, or "edge," ...
Nov 29, 2011 |
4.7 / 5 (19) |
26
|
Land animals, ecosystems walloped after Permian dieoff
The cataclysmic events that marked the end of the Permian Period some 252 million years ago were a watershed moment in the history of life on Earth. As much as 90 percent of ocean organisms were extinguished, ...
Space & Earth / Earth Sciences
Oct 26, 2011 |
5 / 5 (6) |
1
|
New technique unlocks secrets of ancient ocean
Earth's largest mass extinction event, the end-Permian mass extinction, occurred some 252 million years ago. An estimated 90 percent of Earth's marine life was eradicated. To better understand the cause of ...
Space & Earth / Earth Sciences
Oct 11, 2011 |
4.8 / 5 (10) |
0
|
Nemesis is a myth
Danger looms from out of space: asteroids and comets are a threat to our planet. The history of Earth has always been punctuated by cosmic catastrophes. Several studies have claimed to have found periodic ...
Space & Earth / Space Exploration
Aug 01, 2011 |
4.2 / 5 (6) |
6
|
Relationship found between ancient climate change and mass extinction
(PhysOrg.com) -- In the Late Ordovician Period of Earth's geologic history, about 450 million years ago, more than 75 percent of marine species perished and Earth scientists have been seeking to discover what ...
Space & Earth / Earth Sciences
Feb 18, 2011 |
3.3 / 5 (3) |
2
Space weather disrupts communications, threatens other technologies on Earth
(PhysOrg.com) -- A powerful solar flare has ushered in the largest space weather storm in at least four years and has already disrupted some ground communications on Earth, said University of Colorado Boulder ...
Space & Earth / Space Exploration
Feb 18, 2011 |
4.8 / 5 (4) |
5
Test shows dinosaurs survived mass extinction by 700,000 years
University of Alberta researchers determined that a fossilized dinosaur bone found in New Mexico confounds the long established paradigm that the age of dinosaurs ended between 65.5 and 66 million years ago.
Other Sciences / Archaeology & Fossils
Jan 27, 2011 |
4.3 / 5 (16) |
16
|
Watching TV coverage of terror makes viewers feel threatened
Viewing TV coverage of terrorist events causes deterioration of psychological resources, such as commitment and a sense of success, and to feeling threatened, which in turn can also lead to loss of resources and other negative ...
Medicine & Health / Psychology & Psychiatry
Jan 27, 2011 |
not rated yet |
0
People with sleep apnea at higher risk for aggressive heart disease
People with obstructive sleep apnea (OSA), a sleep disorder associated with obesity, have more non-calcified or "bad" plaque in their coronary arteries, according to a study presented today at the annual meeting of the Radiological ...
Medicine & Health / Sleep apnea
Nov 30, 2010 |
4 / 5 (1) |
0
FDA rejects highly-anticipated diet drug Qnexa
(AP) -- Federal health regulators have decided not to approve an experimental diet pill called Qnexa, which had been touted by many experts as the most promising weight-loss drug in more than a decade.
Medicine & Health / Medications
Oct 29, 2010 |
4.5 / 5 (2) |
0
Rolling the dice with evolution: Massive extinction will have unpredictable consequences
(PhysOrg.com) -- New research by Macquarie University palaeobiologist, Dr John Alroy, predicts major changes to the rules of evolution as we understand them now. Those changes will have serious consequences for future biodiversity ...
Sep 03, 2010 |
4.9 / 5 (14) |
74
|
Prehistoric Fish Extinction Paved the Way for Modern Vertebrates
A mass extinction of fish 360 million years ago hit the reset button on Earth's life, setting the stage for modern vertebrate biodiversity, a new study reports.
Other Sciences / Archaeology & Fossils
May 17, 2010 |
4.8 / 5 (13) |
2
|
