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Tag: "beneath" at biology news

Researchers examine carbon capture and storage to combat global warming

... injects carbon dioxide into a deep saline aquifer beneath the North Sea floor. Its economic success, scientists say, is due to the presence of Norway's high carbon taxes, which give green technologies an advantage by discouraging carbon emissions. Carbon taxes are charged to a company for every ton of...

Plants recognize their siblings, biologists discover

...Like humans, the most interesting behaviours occur beneath the surface. Dudley and her student, Amanda File, observed the behavior in sea rocket (Cakile edentula), a member of the mustard family native to beaches throughout North America, including the Great Lakes. So should gardeners arrange their p...

Cancer-killing invention also harvests stem cells

... reside on the exterior of the arm or be implanted beneath the skin. Some of the blood flow would bypass the capillary bed and instead go into the shunt, which could remain implanted for many weeks, continually removing and killing cancer cells. King's first targets are colorectal cancer and blood malignan...

Molecular differences between early and advanced melanomas could provide new drug targets

... on the skin's surface to begin growing vertically beneath the skin and turn into deadly invasive cancers, scientists have found. Understanding this key molecular difference between radial melanomas that spread on the surface of the skin and melanomas that grow vertically and invasively could provide new ta...

Nanotechnology shows promise as next wrinkle fighter

...t Ilsoon envisions thin films that can be injected beneath the thinning outer layer of the skin, the epidermi...ens and buckles with aging, and the thicker dermis beneath it, which remains more pliable over time. Think of a raisin. Ilsoon explained that nanoparticles s...

Ocean's 'twilight zone' may be a key to understanding climate change

...icles, oceanographers use cones or tubes that hang beneath buoys or float up from sea floor. That, Buesseler said, "is like putting out a rain gauge in a hurricane." While many studies have investigated the surface of the ocean, little research has been conducted on the carbon cycle below. The VERTIGO tea...

Major link in brain-obesity puzzle found

...l signaling. Able to shuttle between the area just beneath the cell membrane and the nucleus, it can bind to many different molecules and facilitate signaling. Specifically, it can bind to a variety of molecules called tyrosine kinases, including ones that serve as receptors for insulin and growth factors...

Nobel Laureate finds 'elegant' explanation for DNA transcribing enzyme's high fidelity

... the trigger loop acts like a “trap door,?swinging beneath a matching nucleoside triphosphate (NTP) building ...ver been noticed before?additional protein density beneath the matching nucleotide,?Kornberg said. The team traced that protein density back to a portion of ...

Squid-inspired design could mean better handling of underwater vehicles

...ndersea volcanoes near Hawaii to the frigid depths beneath pack ice in the North and South poles. However, while the torpedo shape of some underwater vehicles ensures rapid deployment and high cruising speeds with minimal energy, their hydrodynamic design makes them more difficult to maneuver or dock at low...

Embryonic stem cells do better on bumpy nanoscale mattress

...ment membranes has topography; bumps, if you like, beneath the cellular mattress. Unlike the princess kept awake by the pea, human embryonic stem (HES) cells do better when cultured on a substrate deliberately printed with nanoscale grooves and ridges, according to researchers from the University of Wisc...

Extraordinary life found around deep-sea gas seeps

...sts observed 30?0 cm long tube worms emerging from beneath limestone boulders and slabs lying at the core of ...sed sonar to study the geological structures lying beneath them. The discovery of so many sites suggests that cold seeps are very abundant along New Zeala...

Cigarette smoking impedes tendon-to-bone healing

... exposure rather than from having a pump implanted beneath the skin. In the rats that got nicotine, the pumps maintained nicotine levels in the bloodstream about equivalent to smoking a pack to a pack and a half of cigarettes per day. "So these would have been heavy smokers," Galatz says. "But another sig...

Otherworldly bacteria discovered two miles down

...ing under extreme conditions almost two miles deep beneath the surface in a South African gold mine. It is th...s the possibility that similar bacteria could live beneath the surface of other worlds, such as Mars or Jupiter's moon Europa. "These bacteria are truly uni...

Bacteria that use radiated water as food

...ep subsurface environments, such as in groundwater beneath the permafrost on Mars. "We know surprisingly little about the origin, evolution and limits for life on Earth," said IUB biogeochemist Lisa Pratt, who led IU Bloomington's contribution to the project. "Scientists are just beginning to study the div...

Solved: The mystery of flesh-eating bacteria's relentless attack

...ous but rare infection of the skin and the tissues beneath it. The work began two years ago, when Hanski developed a mouse model for necrotizing fasciitis. After injecting the mice with a virulent strain of Streptococcus of a type known as M14, isolated from a necrotizing fasciitis patient, the team notice...

Expanding waistlines triggered by your genes

...lds fat in place, which allows fat cells to expand beneath the belly. The collaborative research team, headed by researchers Tae-Hwa Chun, Stephen Weiss, and Alan Saltiel at U-M's Life Sciences Institute (LSI), discovered that the gene membrane-type 1 matrix metalloproteinase (MT1-MMP) shears the collagen ...

Triple threat polymer captures and releases

...ostructured materials and began to wonder what was beneath the surface. They found that their materials made a perfect host to serve guest molecules. "We looked at the roughness and complexity of the surface and thought that the surface might provide interesting entrance and exit ports for small molecule ...

Methane-belching bugs inspire a new theory of the origin of life on Earth

... in the oxygen-free, carbon-monoxide-rich sediment beneath kelp beds, he and his group have helped to break this impasse. Life may have emerged in just such an environment, and this microbe's unique biochemistry may harbor the molecular fossil of the first metabolism on Earth. While other microbes make meth...

Arctic coring expedition continues to yield new clues

...covered the first deep-ocean sediment samples from beneath the ice-laden waters near the North Pole. ACEX, only the second scientific expedition to be conducted by the Integrated Ocean Drilling Program (established 2003), recovered 339 meters of subseafloor sediment samples. "Building a picture of ancient...

'Sticky' mice lead to discovery of new cause of neurodegenerative disease

...ir fur, the mice harbor much more serious problems beneath their unkempt coats: poor muscle control, or ataxia, due to death of Purkinje cells in a region of the brain called the cerebellum. No one knew why Purkinje cells were dying in sticky mutant mice. To find out, Ackerman and her colleagues search...

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