North America Hit Hard By Asteroid Strike In Yucatan 65 Million Years Ago
...ating impact of its energy northwest. The oblique angle of the asteroid's contact with Earth coupled its i.... The researchers suggest that the relatively low angle of the Yucatan impactpropelled a ballistic fireball downrange into North America. The fireballcarrie......ell-defined bedding structure that is tilted at an angle of twenty-five degreesand is arranged by particle size; such structure is typical of wind-blowndeposits. This sandstone was likely formed during violent storms like thoselong thought to be the dinosaur's killers, yet it contains no skeletal remains....Horses Prefer Bridles That Have A Bit Missing
... bit also interferes with breathing bychanging the angle of the head and neck. Normally a horse runs with its headoutstretched, to produce a long straight airway. Bending the head also bends theairway, causing turbulence and increasing the effort needed for breathing. While most horses get used to ...Wetting Of Structured Or Imprinted Surfaces - Zooming Down Onto The Nanoscale
...construct long homogeneous channels with a contact angle whichexceeds 90 degrees. However, the bulge arising from this instability maycoalesce with a neighboring channel and thus lead to a microbrigde between twochannels. These bridges can be used to construct fluid microchips ormicroreactors. In addition,...X-Ray Concentrator Will Expand Window On High-Energy Universe
...Normally, X-rays refuse to be reflected unless the angle of incidence is verysmall," Joy said. "They just p...ng offof it." As X-ray energies become higher, the angle of incidence becomesincredibly small, far less than 1/10th of 1 degree. "Grazing incidence optics"ar...Better Binding Through Chemistry
...gment so that it would place FKBP at just theright angle to produce the best fit with the target protein. Medicinal chemists already take advantage of the fact that many drugs bind toblood-borne proteins such as serum albumin, which thereby allows small moleculesto remain in circulation far longer than no......hingthe food biotechnology debate from a different angle than experts usuallyapproach issues involving new technologies. That is, popular arguments againstGM foods don't use the typical, pragmatic logic of risks and benefits. Instead,some of the European public objects to food biotechnology on moral and et...Magnetic resonance imaging of sexual intercourse is both possible and useful...
... the capacity of the penis in erection to be at an angle ofaround 120 degrees to the root of the penis, enables penetration almost parallel to the woman's spine. The authors conclude that their research has contributed to our understanding of livinganatomy, never before either practical or possible....Light receptor may be key in how animals use Earth's magnetic field
...netic information alone. They can only detect the angle of the magnetic field lines with the horizon, which, Schulten said, is explained through symmetries in visual modulation patterns. If radical-pair reactions in cryptochromes were connected by photoreception to the vision of animals, the magnetic fiel......gnals to the wing muscles to alter their stroke or angle of attack. He built a pair of 10-inch Plexiglas robotic wings, dubbed "Robofly," to reproduce in mineral oil the wing motions he saw in high-speed video, and discovered three distinct wing motions that allow insects like flies and bees to execute ama...June 'Geology' and 'GSA Today' highlights
...chains parallel to the trench are based on a steep angle of descent. Magma generation is considered to occu...ubduction" (where the downgoing plate flattens its angle of descent and "underslides" the upper, typically continental, plate sub-horizontally for several hu......use the tunnel is made by applying the laser at an angle to the embryo so that only the edge of the beam is in contact with the shell, producing a hole with a diameter between 4.5 and 20 millionths of a metre. This technique limits the exposure of the embryo to radiation and does not cause any damage to t......o a suspended bed with their feet held at a steady angle to the wall. The bed was then swung like a pendulum so that their heels struck the wall every two seconds. By measuring electrical activity in their leg muscles, the researchers found that muscles naturally tighten to help dampen vibrations in the su...Researchers develop new method for preventing hip dysplasia in dogs
... different rates. That makes the pelvis grow at an angle that provides a better fit for the hip. When mature, the hip socket has rotated to a more horizontal angle, thus making it less likely the ball on the end of the femur will pop out. The socket of a loose-fitting hip will eventually wear down to look ......orbit, all cancel each other out. Best of all, the angle of the shield could be tweaked, making for an adjustable thermostat. A more complicated option is a swarm of smaller reflectors buzzing around in near-Earth orbit. Back in 1991, the National Academy of Sciences (NAS) in Washington DC found that arou...Discovery of armored viruses may inspire new designs for nanotechnology
...or of the Science study. With the help of a small angle X-ray diffraction instrument at SSRL, Tsuruta and his colleagues were able to determine that HK97's head is made of 72 protein rings - 12 pentagons and 60 hexagons - locked together to form a protective coating that surrounds the virus's DNA. "Its pr...UCSF Comprehensive Cancer Center program triumphs
...f prostate cancer." Shuman, too, brings a personal angle to the story. A prostate cancer survivor, he says he has both an academic and personal interest. "I couldn't be more excited," he says. "My goal is to make us the best organ-specific cancer research program in the world."...New predatory dog-sized dinosaur unearthed on Madagascar
...cting forward instead of upward. Subsequent teeth angle increasingly upward until the sixth tooth; from this point backward, all the teeth point straight up. The teeth themselves are also unique. Whereas the teeth at the back of the jaw are typical of theropods-being flattened and serrated-those at the f......cting forward instead of upward. Subsequent teeth angle increasingly upward until the sixth tooth; from this point backward, all the teeth point straight up. The teeth themselves are also unique. Whereas the teeth at the back of the jaw are typical of theropods-being flattened and serrated-those at the ......cky surface of the Earth - a comet coming in at an angle of less than 25 degrees from the horizon, rather than head on perpendicular to the Earth's surface. "At very low angles, we think that some water ice from the comet would remain intact as a liquid puddle concentrated with organic molecules," ideal f...