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Tag: "crack" at biology news

Now, self-healing materials can mimic human skin, healing again and again

...the skin triggers blood flow to promote healing, a crack in these new materials will trigger the flow of he... tests, the coating and substrate are bent until a crack forms in the coating. The crack propagates through the coating until it encounters one of the fluid-...

New evidence of 'human' culture among primates

...the same way as we might use a hammer and anvil to crack nuts. Similar evidence of stone-based technology is found in the archaeological record of the earliest humans, and as more evidence emerges, it is hoped the ancient ancestry of human behaviour will become clear. ...

Syphilis rate on rise in US gay, bisexual men

...opped because fewer people were selling sex to get crack cocaine as the decade went by. However, the syphilis rate rose by 19 percent between 2000 and 2003. During that period, the rates among women continued to slide ?by 53 percent ?while rates among men jumped by 62 percent. While syphilis statisti...

BGSU biologist trying to crack microscopic code

... Bowling Green State University biologist wants to crack the communication code of proteins, especially the ones whose "talking" aids and abets disease. "Proteins interact; they 'talk' to each other," the associate professor says. "It's how they know what to do, and it's how most of the things that need t...

Use of stone hammers sheds light on geographic patterns of chimpanzee tool use

... in the Ebo forest, Cameroon, use stone hammers to crack open hard-shelled nuts to access the nutrient-rich...n invented there. The new finding that chimpanzees crack open nuts more than 1700 km east of the supposed barrier challenges this long-accepted model. Accord...

Scientists crack code for motor neuron wiring

... technical advance that enabled the researchers to crack this code. Using these antibodies, Dasen and colleagues pinpointed the pattern of expression of each protein within the set of motor neurons that project to limb muscles. "Once we had these reagents, we were able to obtain the high resolution maps of...

Wild Gorillas Handy with a Stick

...ously use sticks to fish for termites and rocks to crack nuts in the wild; orangutans use sticks to extract seeds from the spiny, sharp husk of Neesia fruits in the wild, and bonobos use various tools, including moss as sponges and leafy twigs to swat away bees.) That no one has ever observed wild gorillas...

High rates of sexually transmitted infections found in young drug users

... of these populations. Non-injection heroin and/or crack users are rarely the target of sexual or drug risk...d syphilis test results in 543 heroin, cocaine and crack users from Baltimore, Md., aged 18-30 years old. Almost 73 percent of the study participants, who we...

Protein helps regulate the genes of embryonic stem cells

... research. Researchers five decades ago worked to crack the genetic code, the nucleic acid sequence of As, Cs, Gs and Ts making up the DNA of genes. Today, Magnuson's team is trying to unravel a different, newly appreciated mode of inheritance: epigenetics. "Epigenetic inheritance is heritable informatio...

Potential Drug Target For Treating Cocaine Abuse Found

...o estimates. Of this number, more than 550,000 are crack users. In 2002, 1.5 million Americans were thought to be dependent on or abusing cocaine. "Cocaine is capable of destroying not only the lives of those addicted, but also the lives of those around them," says Katz. "An effective treatment for cocaine...

Weill Cornell Research Reveals Secrets Of Trafficking Within Cells

...tter understanding of clathrin, should really help crack this field wide open." The study was funded by grants from the National Institutes of Health and the Irma T. Hirschl Trust. Co-researchers included Dr. Charles T. Yokoyama and Howard S. Moskowitz, both of the Department of Biochemistry at Weill Cor...

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