News tagged with mass

results timeline


Hunt for Higgs boson: Mass of top quark narrows search

Hunt for Higgs boson: Mass of top quark narrows search

Physics / General Physics

created Dec 07, 2009 | popularity 4.7 / 5 (30) | comments 29

(PhysOrg.com) -- New high-energy particle research by a team working with data from Fermi National Accelerator Laboratory further heightens the uncertainty about the exact nature of a key theoretical component ...


A Superbright Supernova That’s the First of Its Kind

A Superbright Supernova That’s the First of Its Kind

Space & Earth / Astronomy

created Dec 02, 2009 | popularity 4.7 / 5 (24) | comments 6

(PhysOrg.com) -- An extraordinarily bright, extraordinarily long-lasting supernova named SN 2007bi, snagged in a search by a robotic telescope, turns out to be the first example of the kind of stars that first ...


meat

Pork meat grown in the laboratory

Biology / Biotechnology

created Dec 01, 2009 | popularity 4.5 / 5 (43) | comments 53

(PhysOrg.com) -- Scientists from Eindhoven University in The Netherlands have for the first time grown pork meat in the laboratory by extracting cells from a live pig and growing them in a petri dish.


First black holes may have incubated in giant, starlike cocoons, says CU-Boulder study

First black holes may have incubated in giant, starlike cocoons

Space & Earth / Astronomy

created Nov 24, 2009 | popularity 4.2 / 5 (20) | comments 22

(PhysOrg.com) -- The first large black holes in the universe likely formed and grew deep inside gigantic, starlike cocoons that smothered their powerful x-ray radiation and prevented surrounding gases from ...


algae

Killer algae a key player in mass extinctions

Space & Earth / Earth Sciences

created Oct 19, 2009 | popularity 4.4 / 5 (17) | comments 4

Algae, not asteroids, were the key to the end of the dinosaurs, say two Clemson University researchers. Geologist James W. Castle and ecotoxicologist John H. Rodgers have published findings that toxin producing ...


Antarctic glacier

West Antarctic ice sheet may not be losing ice as fast as once thought

Space & Earth / Earth Sciences

created Oct 19, 2009 | popularity 4.1 / 5 (10) | comments 4

New ground measurements made by the West Antarctic GPS Network (WAGN) project, composed of researchers from The University of Texas at Austin, The Ohio State University, and The University of Memphis, suggest ...


Large Hadron Collider could test hyperdrive propulsion

Physics / General Physics

created Oct 09, 2009 | popularity 4.2 / 5 (29) | comments 5

(PhysOrg.com) -- The world's most powerful particle accelerator, the Large Hadron Collider (LHC), could be used to test the principles behind hyperdrive, a possible future form of spacecraft propulsion that could drive spacecraft ...


A new day dawned fast: Recovery from marine mass extinction happened much faster than thought

A new day dawned fast: Recovery from marine mass extinction happened much faster than thought

Space & Earth / Earth Sciences

created Oct 02, 2009 | popularity 4.8 / 5 (14) | comments 0

(PhysOrg.com) -- In 1979, Luis Alvarez and his collaborators stunned the world with their discovery that an asteroid impact 65 million years ago probably killed off the dinosaurs and much of the the world's ...


New perspectives on cancer surgery

New Perspectives on Cancer Surgery

Chemistry / Biochemistry

created Sep 29, 2009 | popularity 4.7 / 5 (3) | comments 0

(PhysOrg.com) -- Instead of the classic scalpel, surgeons can also operate with an electroscalpel. A significant advantage to this technique is that while a cut is being made, blood vessels are closed off ...


Reptiles stood upright after mass extinction

Reptiles stood upright after mass extinction

Other Sciences / Archaeology & Fossils

created Sep 15, 2009 | popularity 4 / 5 (8) | comments 1

(PhysOrg.com) -- Reptiles changed their walking posture from sprawling to upright immediately after the end-Permian mass extinction, the biggest crisis in the history of life that occurred some 250 million ...


Researchers simplify fabrication of nano storage, chip-design tools

Researchers simplify fabrication of nano storage, chip-design tools

Nanotechnology / Nanophysics

created Sep 09, 2009 | popularity 4.7 / 5 (7) | comments 1

Advances by the Rice University lab of James Tour have brought graphite's potential as a mass data storage medium a step closer to reality and created the potential for reprogrammable gate arrays that could ...


XMM-Newton uncovers a celestial Rosetta stone

XMM-Newton uncovers a celestial Rosetta stone

Space & Earth / Astronomy

created Sep 03, 2009 | popularity 4.9 / 5 (16) | comments 7

(PhysOrg.com) -- ESA's XMM-Newton orbiting X-ray telescope has uncovered a celestial Rosetta stone: the first close-up of a white dwarf star, circling a companion star, that could explode into a particular ...


Extinction runs in the family

Extinction runs in the family

Biology / Evolution

created Aug 06, 2009 | popularity 4.7 / 5 (10) | comments 3

(PhysOrg.com) -- Global calamities like the one that doomed most dinosaurs forever alter the varieties of life found on Earth, but new research shows that it doesn't take a catastrophe to end entire lineages. ...


Crashing comets not likely the cause of Earth's mass extinctions

Crashing comets not likely the cause of Earth's mass extinctions: new research

Space & Earth / Space Exploration

created Jul 30, 2009 | popularity 3.7 / 5 (18) | comments 14

(PhysOrg.com) -- Scientists have debated how many mass extinction events in Earth's history were triggered by a space body crashing into the planet's surface. Most agree that an asteroid collision 65 million ...


Got ear plugs? You may want to sport them on the subway and other mass transit

Medicine & Health / Health

created Jun 19, 2009 | popularity 4.5 / 5 (4) | comments 2

The U.S. mass transit system, the largest in the world, provides affordable and efficient transportation to more than 33 million riders each weekday. The system is generally considered one of the safest modes of travel. But ...