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Tag: "bodies" at biology news

Current human embryonic stem cell lines contaminated UCSD/Salk team finds

...hat had been allowed todifferentiate into embryoid bodies (EB), which is the first step inpreparing them for potential use in humans, the percentage of totalsialic acids present still ranged from 5 to 17 percent.Varki and his team noted that many efforts have been made during thelast few years to try to eli...

The secret lives of whales

... seafloor. Known as whale falls, their decomposing bodies and skeletons provide an energy source for special...imilating huge whale carcasses and recycling their bodies back into oceanic lifecycles. If we want to understand the nature of life ?what evolution can do—we ...

Protein Packages Found To Activate Genes; May Be What Regulates Development And Disease

...iseases such as cancer. "Each type of cell in our bodies contains the same genes. What makes them do different things involves which genes are turned on," notes Bradley Bernstein, a pathologist at Harvard Medical School. He is also a research associate at the Broad Institute of Harvard and M.I.T., where a ...

Why do insects stop 'breathing'? To avoid damage from too much oxygen, say researchers

...water loss and (2) it enables insects to rid their bodies of carbon dioxide, respiration's byproduct, when t...e energy, the removal of carbon dioxide from their bodies is equally important to prevent its toxic buildup in tissues. "Even in our own case, our bodies have...

Falling ants glide back to trunk to avoid dangers of forest floor

...established that the ants basically reorient their bodies so their hind legs and abdomen point toward the tree, and use their head-up fall through the air to take them feet-first toward the trunk. How they land is still a mystery, but evidently claws on their back legs act like grappling hooks to snag the t...

NASA links nanobacteria to kidney stones and other diseases

...s. Further testing for the presence of NB in human bodies can help reduce the risk for kidney stone formation in astronauts and would also be of benefit to the nearly one million Americans who are treated for kidney stones each year. ...

BioMed Central welcomes the new National Institutes of Health public access policy

...BioMed Central anticipates that many other funding bodies worldwide will now follow the example set by NIH. All NIH grantees now have a new factor to take into account when choosing where they wish to publish their research. To fulfil the NIH request, authors publishing with most of the traditional subscri...

Marburg haemorrhagic fever in Angola update

...especially when communities begin hiding cases and bodies because of suspicions about the safety of hospitals. In the current outbreak, such suspicions are understandable. Very few patients with laboratory-confirmed Marburg haemorrhagic fever have survived; most hospitalized patients have died within a day...

Buying Time Through Hibernation on Demand

...' ?it's simply an agent that all of us make in our bodies all the time to buffer our metabolic flexibility. It's what allows our core temperature to stay at 98.6 degrees, regardless of whether we're in Alaska or Tahiti," Roth said. In addition to mice, Roth and colleagues in previously published work have ...

U-M team recovers ancient whale in Egyptian desert

...' ?it's simply an agent that all of us make in our bodies all the time to buffer our metabolic flexibility. It's what allows our core temperature to stay at 98.6 degrees, regardless of whether we're in Alaska or Tahiti," Roth said. In addition to mice, Roth and colleagues in previously published work have ...

One gene links newborn neurons with those that die in diseases such as Alzheimer's

...eurons project. The dyes then traveled back to the bodies of the cells in the high vocal center. As a result, replaceable and nonreplaceable neurons could easily be distinguished under the microscope. Then, looking at very thin slices of brain tissue, the researchers used a technique called laser capture m...

The lopsided brain: Attention bias is shared by humans and birds

...d evenly in an area before them. Though the birds' bodies were positioned at the midline of the search area, both chicks and pigeons showed a considerable leftward bias in pecking. The experiment is similar in concept to those that reveal pseudoneglect in humans--so-called cancellation tasks in which subjec...

Too much water may be as dangerous as too little during long-distance athletic events

...petitors." People lose water and salts from their bodies at different rates during exercise, he said. Heat and humidity also play a role in the rate of this loss. Calculating fluid loss is as simple as weighing yourself before and after exercise and comparing that number to the amount of fluid you consumed...

Bush, Cheney and Rumsfeld are now species of slime-mold beetles -- but strictly in homage

...petitors." People lose water and salts from their bodies at different rates during exercise, he said. Heat and humidity also play a role in the rate of this loss. Calculating fluid loss is as simple as weighing yourself before and after exercise and comparing that number to the amount of fluid you consumed...

New design : complete

...petitors." People lose water and salts from their bodies at different rates during exercise, he said. Heat and humidity also play a role in the rate of this loss. Calculating fluid loss is as simple as weighing yourself before and after exercise and comparing that number to the amount of fluid you consumed...

Thai spice helps cut blood sugar swings

...re concerned with here is the speed with which our bodies get at the sugars?If the body experiences a fast infusion of sugars, a lot of insulin is required. If the sugars are metabolized more slowly, the insulin is released gradually. This is a crucial difference, as far as obesity is concerned: Fast sugar ...

Structure-building cell signals also may influence learning and memory

...h as neurotransmitters, fat molecules, and foreign bodies like viruses and toxins, from the external environment thus enabling the cell to store, transport or eliminate these materials. Synaptojanin-1 enables endocytosis when it disassembles a molecular coating on storage vesicles, which allows the cell to...

WHO suspends Marburg work, appeals for new funds

...e to investigate the cause of death or collect the bodies for safe burial. Discussions have been held with p... other fluids when caring for the ill, don’t touch bodies of the deceased ?transmission within the community can be stopped and the outbreak brought under con...

Bee mites suppress bee immunity, open door for viruses and bacteria

... the bees in the same way human vaccines cause our bodies to produce an immune response. They checked the bees for production of chemicals that disinfect the honey and for other immunity related chemicals. They also measured the amount of virus in each bee. Surprisingly, they found that the virus in mite-i...

Venom doc tracks down snake bioweapons

...otent toxins, ones that would cause their victims' bodies to turn against themselves upon injection. Over time, these newly derived toxins became a normal part of the saliva protein repertoire. To date, 24 different snake venom toxins have been characterized by scientists, but the evolutionary history ?or t...

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