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Ammonia transformed the naturally occurring crystalline allomorph Iβ to IIII, which led to a decrease in the number of cellulose intrasheet hydrogen bonds and an increase in the number of intersheet hydrogen bonds. This rearrangement of the hydr
For example, when enough mice in a group have learned a maze, they ALL suddenly know the maze – whether they have run it or not! It now appears, after a BBC television experiment, that if enough humans have learned something, then it becomes easier f
The Atsa project will use crewed reusable suborbital spacecraft equipped with a specially designed telescope to provide low-cost space-based observations above the contaminating atmosphere of Earth, while avoiding some operational constraints of sa
arlier this month a lot of column inches were devoted to the news that the Sun continues to behave in a peculiar manner – and that solar activity could be about to enter a period of extended calm. The story emerged after three groups of researchers p
"The blast was triggered by an unstable magnetic filament near the sun's surface," he explains. "That filament was loaded down with cool1 plasma, which exploded in a spray of dark blobs and streamers."
small ball of plasma. In other words, sitting in a space the size of a small garage, FoFu-1 unleashes a bolt of lightning that lassos itself into a knot, and LPP’s patented approach appears to be much more efficient in generating those all-important
If oxygen-free bottoms in the Baltic are oxygenated, it can be anticipated that every square kilometre of bottom surface will be able to bind 3 tonnes of phosphorus in a short time, which is a purely geochemical effect. If the bottoms are then kept o
"The solar cycle may be going into a hiatus," Frank Hill, associate director of the National Solar Observatory's Solar Synoptic Network, said in a news briefing today (June 14). The studies looked at a missing jet stream in the solar interior,
"Salinity, along with temperature, governs the density of seawater," says Lagerloef. "The saltier the water, the denser it is, and density drives the currents that determine how the ocean moves heat around the planet. For example, the Gulf Stream
n 1928 a Mayan workshop was uncovered in Central America. The archaeologist concluded that the owner of the shop, dated from the second to the fourth century A.D., must have kept a mastodon, perhaps even as a pet, for the bones of the animal were fou
Last October a group of astronomers using the Green Bank Radio Telescope found a neutron star that has a mass of nearly twice that of the Sun. The measurement of the mass is extremely precise because the neutron star is actually a pulsar (PSR J1614-2
Lines of magnetic force criss-cross and "reconnect". (Magnetic reconnection is the same energetic process underlying solar flares.) The crowded folds of the skirt reorganize themselves, sometimes explosively, into foamy magnetic bubbles. "We ne
he world's growing need for energy, the limits of our supply of fossil fuels and concern about the effects of carbon emissions on the environment have all prompted interest in the increased use of nuclear power. Yet the very word "nuclear" carries
In 1925, the infamous U.S. Tristate twister hit parts of Missouri, Illinois and Indiana, claiming 695 lives. Because tornadoes kill people and wreck property, costing billions of dollars yearly, a force of tornado fighters should be developed! They c
Under the supervision of Professor Michael Gratzel in EPFL's Laboratory of Photonics and Interfaces, the two scientists achieved this remarkable feat by combining techniques used at the industrial scale, and then applying them to the problem of prod
A man in his late 20s walked towards me. His arm was outstretched. He wasn't wearing sweatpants. He was wearing a pinstripe jacket and trousers. He looked like a young businessman trying to make his way in the world, someone who wanted to show every
Undergraduate Amelia Fraser-McKelvie made the breakthrough during a holiday internship with a team at Monash University's School of Physics, locating the mystery material within vast structures called "filaments of galaxies".
reaction takes place in the hot interior of heavy stars. If the Hoyle state did not exist, only very little carbon or other higher elements such as oxygen, nitrogen and iron could have formed. Without this type of carbon nucleus, life probably also w
NASA’s Fermi Gamma-ray Space Telescope is one of many that look for high-energy radiation sources, and recently the Crab Nebula has caught its eye. The past seven months have seen some rather dramatic variations within the nebula, with Fermi and othe
During the end-Permian extinction, some 250 million years ago, entire groups of animals and plants either vanished altogether or decreased significantly in numbers, and the recovery of the survivors was at times slow and prolonged before new radiatio
The hyperthermals took place roughly every 400,000 years during a warm period of Earth's history that prevailed some 50 million years ago. The strongest of them coincided with an event known as the Paleocene–Eocene Thermal Maximum, the transition be
In an attempt to get around this problem the Microlensing Observations in Astrophysics (MOA) collaboration observes many stars at once. The new rogue planets were found in MOA observations of 50 million stars within the Milky Way between 2006 and 200
This is the first major storm on Saturn observed by an orbiting spacecraft and studied at thermal infrared wavelengths. Infrared observations are key because heat tells researchers a great deal about conditions inside the storm, including temperat
He says he can locate, with something approaching regularity, just about anything—water, gold, drugs, oil, dead bodies—with his nylon dowsing rods. Today, he’s headed to dowse a well six miles west of Rapelje, a ranching community in south central Mo
Scientists investigating the giant squid remains at the time found evidence of extensive bodily damage, including mantles reduced to pulp, bruised muscles, and lesions in statocysts. These fluid-filled organs rest behind the creatures' eyes and help
A team of researchers at MIT has found a way to manipulate both the thermal conductivity and the electrical conductivity of materials simply by changing the external conditions, such as the surrounding temperature. And the technique they found can
The body was 5-6 ft in length easy, wing span was 25-30 ft easy, no feathers, bat like skin, jet black, and a 4-5 ft skinny (rat or dragon) like tail that stuck straight out. This thing didn't fly like a bird, it glided about 10 ft off the ground at
"Danube sturgeons, the ancient migratory fish that are today teetering on the brink of extinction due to overfishing because of their valuable caviar, have new hope for survival," it said in a statement.
May 4, 2011: Einstein was right again. There is a space-time vortex around Earth, and its shape precisely matches the predictions of Einstein's theory of gravity. Researchers confirmed these points at a press conference today at NASA headquarters
The research indicates that "iceberg transport and melting have a role in the distribution of phytoplankton in the Weddell Sea," which was previously unsuspected, said John J. Helly, director of the Laboratory for Environmental and Earth Sciences
