young 2 2

Tag: "young" at biology news

Dinosaur hearing, listening to muscle noise, quieter cubicles

...e detecting lesions in dense breasts often seen in young women. Conventional ultrasound can spot lesions but cannot measure tissue stiffness, a leading indicator of malignancy. By contrast, VA induces a small-scale vibration in the tissue, and it is this low-frequency signal that provides the crucial inf...

Revealing the machinery underlying the 'plastic' juvenile brain

...ysteries of neurobiology is what properties of the young brain enable it to so adeptly wire itself to adapt...as plasticity. The extraordinary plasticity of the young brain occurs only during a narrow window of time known as the critical period. For example, children...

Get a whiff of this: Smell test could sniff out serious health problems

...used on adults as well as children (who may be too young to link a smell with a name) and people representing international cultures (who are unfamiliar with some common odors in the U.S.). “What’s also unique about this test is that it does not require a good memory, which is an issue in testing people wi...

In young mice, gregariousness seems to reside in the genes

...have found evidence that social interactions among young mice result from basic motivations to be with one ... What's more, the researchers say, the extent of a young mouse's gregariousness is influenced by its genetic background. The work, reported today (April 3...

Row over study puts Korea's scientific community under scrutiny again

...der scrutiny once again. The dispute has pitted a young Korean doctor, Jeong Hwan Kim, against Kwang Yul Cha, a fertility specialist and one of the most powerful players in the country's struggle for biotech supremacy, writes journalist Jonathan Gornall. It is also threatening to disrupt Korea's efforts t...

Power-boosting signal in muscle declines with age

...ficiencies of AMPK. They compared AMPK activity in young and old rats following three "perturbations" that ...y found. Similarly, the muscle of exercise-trained young rats showed more than a doubling in AMPK activity. In older rats, that AMPK hike with exercise was "...

The penalty of having a sister -- why sibling sex matters for male saiga antelopes

... The researchers' study of female saigas and their young also showed that they invest more in their pregnan...ny other hoofed mammal, with some mothers carrying young up to 38% of their own body weight. The research was carried out on populations of saiga ...

Imaging pinpoints brain regions that 'see the future'

...based largely on the anecdotal observation of very young children, cases of severe depression and brain damaged persons with amnesia. "There's a little known and not that well investigated finding that if you have an amnesic person who can't remember the past, they're also not at all good about thinking...

Children who sleep more weigh less

...ers found that sleeping an additional hour reduced young children’s chance of being overweight from 36 percent to 30 percent, while it reduced older children's risk from 34 percent to 30 percent. Although the National Sleep Foundation recommends that children ages 5 to 12 get 10 to 11 hours of sleep eac...

Fighting influenza & co. with 40,000 blood samples

...isease in six out of ten cases.' By contrast, with young adults, the success rate is as high as 90 per cent. The reason for this is that the effectiveness of the immune system decreases with age. An international research consortium now wants to find out why this is the case. Roughly 1.8 million euros w...

Research finds music training 'tunes' human auditory system

... findings indicate that experience with music at a young age in effect can "fine-tune" the brain's auditory system. "Increasing music experience appears to benefit all children -- whether musically exceptional or not -- in a wide range of learning activities," says Nina Kraus, director of Northwestern's Au...

Chemo combination improves survival in asbestos-related cancer

...not admit or know they were exposed to asbestos as young men, with similar issues for their partners." According to the U.S. Environmental Protection Agency, 10 percent to 15 percent of schools and other public buildings in the United States contain asbestos insulation. Although safety measures for w...

A rarity among arachnids, whip spiders have a sociable family life

...whip spiders, or amblypygids, mothers caress their young with long feelers, siblings stick together until t...nd fighting behaviors. Rayor believes that because young amblypygids slip easily into tight crevasses and their coloring matches their backgrounds, the socia...

University of Alberta researchers unravel intricate animal patterns

...ng of complicated patterns—an arrow, a portrait of young Nemo and other intricate designs. While the detailed shapes might be a bit outlandish for fish to form, the premise isn’t far off. But how does a school of fish or a flock of birds know how to move from one configuration to another and then reorganiz...

Elucidation of the genome for diabetics with DNA chips

...we need to be able to establish the profile of the young adults most at risk; this would allow personalised preventive strategies to be implemented. Some of the genes identified in this study, including the ZnT8 zinc transporter gene in particular, may be good targets for treatments to combat DT2. These...

20-year study shows significant rise in childhood obesity, especially among girls

... included in the research. They also found that young girls were much more likely to be overweight or ob...has been linked to lower childhood obesity levels, young children, especially girls, have become much more overweight or obese in the last 20 years" say lead...

Bats prey on nocturnally migrating songbirds

...nt noctule bats, an ambitious investigation led by young scientist Ana Popa-Lisseanu, under Prof. Ibañez' s...ality return to their breeding area. In addition, young birds in autumn may represent naïve, inexperienced, i.e. more vulnerable prey. The ability of gia...

Largest genomic search finds genes that may contribute to autism

... we identify these genes we will be able to screen young children for autism at an early age and begin interventions earlier, which can have a dramatic effect for some children," Dawson said. A second phase of the Autism Genome Project also was announced today to continue the effort to discover the gene...

A steady, high-fat diet is bad, but the news gets worse

...ascular function." In the study, 30 healthy young adults fasted the night before, then consumed either a high- or low-fat breakfast. Both meals had the same number of calories and the low-fat breakfast included supplements to balance it for sodium and potassium. Two hours later the two groups we...

Experimental vaccine given during pregnancy reduces stillbirths from common virus

...t from reproducing and infecting new hosts. The young female guinea pigs in the study were vaccinated three times at two-month intervals before they became pregnant and were injected with the guinea pig form of CMV early in their third trimester. Tests showed that the rodents given the experimental v...

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