Has the Higgs Particle Been Discovered?
At Europe's Large Hadron Collider, a December 13 press conference will update the world on the search for the long-sought Higgs boson. Encouraging evidence is expected to be announced.
What's the Latest Development?
A press conference scheduled for December 13 at Europe's Large Hadron Collider has the physics world on the edge of its seat. Scientists at the world's largest particle accelerator will update the world on their search for the Higgs boson, a particle which, following from the Standard Model, endows matter with mass. "Whatever happens eventually with the Higgs, I think we'll look back on this meeting and say, 'This was the beginning of something,'" said Joe Lykken, a physicist at Fermi National Accelerator Laboratory in Batavia, Illinois.
What's the Big Idea?
If evidence supporting the Higgs' existence is found, and depending on the particle's mass, several fundamental questions about the nature of our universe could soon have solutions. If it has a mass of 125 billion electron volts, some physicists say it would confirm the supersymmetry theory, an extension of the Standard Model. And if supersymmetry were true, it would "answer numerous open questions, beginning with the nature of dark matter, the unseen mass that keeps galaxies rotating faster than they otherwise would."
How a cataclysm worse than what killed the dinosaurs destroyed 90 percent of all life on Earth.
While the demise of the dinosaurs gets more attention as far as mass extinctions go, an even more disastrous event called "the Great Dying” or the “End-Permian Extinction” happened on Earth prior to that. Now scientists discovered how this cataclysm, which took place about 250 million years ago, managed to kill off more than 90 percent of all life on the planet.
A new study discovers the “liking gap” — the difference between how we view others we’re meeting for the first time, and the way we think they’re seeing us.
We tend to be defensive socially. When we meet new people, we’re often concerned with how we’re coming off. Our anxiety causes us to be so concerned with the impression we’re creating that we fail to notice that the same is true of the other person as well. A new study led by Erica J. Boothby, published on September 5 in Psychological Science, reveals how people tend to like us more in first encounters than we’d ever suspect.
Using advanced laser technology, scientists at NASA will track global changes in ice with greater accuracy.
Leaving from Vandenberg Air Force base in California this coming Saturday, at 8:46 a.m. ET, the Ice, Cloud, and Land Elevation Satellite-2 — or, the "ICESat-2" — is perched atop a United Launch Alliance Delta II rocket, and when it assumes its orbit, it will study ice layers at Earth's poles, using its only payload, the Advance Topographic Laser Altimeter System (ATLAS).
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