A new poll of American scientists suggests that a large majority of them (82 percent) regard population growth as a major challenge, almost as many as those who believe that climate change is mostly due to human activity (87 percent). The poll, which was conducted by the Pew Research Center, indicates that a clear majority of the American public (59 percent) are concerned that there won’t be enough food and resources to accommodate a growing world population, but the level of concern in the scientific community, as with climate change, is noticeably higher.
On one level, the poll results are not surprising. For decades now leading scientists have been warning that humanity is overusing planetary resources and inflicting dangerous harm on the environment. Earlier this month 18 scientists authored a paper in the journal Science warning that humanity is encroaching on nine “planetary boundaries,” and that we have already crossed four of them: deforestation, the extinction rate for plant and animal species, the level of carbon dioxide in the atmosphere, and the runoff (from fertilizer) of nitrogen and phosphorous into the ocean.
What is remarkable, however, is that given the levels of
The presumed divide, according to Iowa State University, is caused by a tendency to focus on a few extreme differences rather than the many small similarities.
Two separate groups in Austria and Canada have developed ‘mind readers’ that combine the use of vibrating pads and an electrode cap to measure a patient’s brain signals.
How does the virus infect us and why is it back?
NASA’s Soil Moisture Active Passive mission (SMAP) now is scheduled to launch from Vandenberg Air Force Base, California at 6:20 a.m. PST (9:20 a.m. EST) Saturday, Jan. 31.
A homeless man is pursuing his love of reading thanks to a good Samaritan.
Last week, a San Diego man, who wishes to remain anonymous, was on a business trip in Las Vegas when he frequently passed a homeless man named Paul on the street. The man noticed that Paul had been reading an old, worn book every time he walked by, and decided to go up and talk to him.
“I just asked him if he liked to read,” the man told The Huffington Post in an email. “He said he loved to but that he had been reading that one book over and over for a while now.”
The man remembered he was carrying his Kindle, and decided to give it to Paul and teach him how to use it. In the following days, the man witnessed firsthand how much Paul enjoyed the device. He took a picture of Paul and his new Kindle, and shared it on Reddit on Thursday under the username, mjuad.
The moving photo has already gone viral with nearly 2 million views on Imgur.
“It brought me a lot of joy to see someone getting so much from something that I gave
If your downward dog is slightly rough and you’re struggling to perfect the plank, a new range of motion capture clothing from Canada could help.
No evidence of gravitational waves from the big bang after all, cosmologists report
Computer generated simulation of an asteroid strike on the Earth. Credit: Don Davis/AFP/Getty Images
For decades, scientists have debated the cause of the mass extinction that wiped out the dinosaurs and other life 65 million years ago. While the majority of researchers agree that a massive asteroid impact at Chicxulub, Mexico is the culprit, there have been some dissenters. Now, new research is questioning just a portion of the asteroid/Cretaceous-Paleogene extinction scenario. While the scientists involved in the study don’t doubt that such an asteroid impact actually happened, their research shows it is just not possible that vast global firestorms could have ravaged our planet and be the main cause of the extinction.
Read the rest of It Looks Like an Asteroid Strike Can’t Cause a Worldwide, Dinosaur-Killing Firestorm (465 words)
© nancy for Universe Today, 2015. |
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Post tags: Asteroids, Cretaceous-Paleogene extinction, extinction events, theory that asteroid killed dinosaurs
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NWA 7034, a meteorite found a few years ago in the Moroccan desert, is like no other rock ever found on Earth.