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Tag: "baby" at biology news

Studies to find better ways to preserve human eggs, ovarian tissue under way

...,” says Dr. Emmi. That separation enables a future baby to get half his chromosomes from mom and half from dad. Fragile spindles, which line up chromosomes for division, are easily broken during freezing so chromosomes can’t properly divide. Typically the resulting embryo dies. Plus, fertilization is unli...

Study investigates 'divorce' among Galapagos seabirds

...another 100 to 120 days of parental care until the baby bird can fly. The parents will usually continue to provide some meals to the fledgling. So, if, when mating season rolls around again, a male looks a little ragged from taking care of junior, his mate is likely to choose another. A male’s capac...

Eavesdropping comes naturally to young song sparrows

...estion, the researchers collected and raised eight baby sparrows for a two-part experiment. When they were about 15 days old, the birds were exposed to four adult sparrows for two months. Song sparrows typically have repertoires of about 10 songs, and the tutors in the study had no song types in common....

Simple home spit test to spot deadly pre-eclampsia

...e there is no cure, other than the delivery of the baby and removal of the faulty placenta, early detection and management of the problem can have a big impact on patient outcome. ...

Thymus transplants gives hope to babies with fatal immune disease

"My baby is doing what other babies her age are doing -- sh...e her absent immune system. Dave'yana was the 31st baby to receive such a transplant at Duke to correct immune system deficiencies caused by a condition cal...

Pitt study notes decline in male births in the US and Japan

... some solvents, metals and pesticides father fewer baby boys. We also know that nutritional factors, physical health and chemical exposures of pregnant women affect their ability to have children and the health of their offspring. We suspect that some combination of these factors, along with older age of ...

Anti-wrinkle compound causes pathological reaction in skin cells

...cosmetics, creams, lipsticks, shampoos, soaps, and baby lotions, although the way they work is not yet understood. In vitro tests conducted by Dr. Marceau’s team revealed that the application of DMAE induces a quick and spectacular swelling of skin cell vacuoles called fibroblasts, which act as reservo...

Newborn brains grow vision and movement regions first

...fferences, the asymmetry differences arise after a baby is born." For the study, 74 newborns at the University of North Carolina Hospitals were given high-resolution magnetic resonance imaging (MRI) scans in the first few weeks after birth. In terms of brain volume, the researchers found newborn male...

Why aren't humans furry? Stone-Age moms could be the answer

...her the mother kept or abandoned it. An attractive baby was more likely to be kept and reared. Harris' theory is that this kind of parental selection may have been an important force in evolution. If Stone Age people believed that hairless babies were more attractive than hairy ones, this could explain...

Flavanols in cocoa may offer benefits to the brain

...ly exciting at a time when the nation’s 78 million baby boomers are aging. The need to impact cognitive function and brain health will only continue to grow with this aging population. ...

Baby fish 'smell their way home'

...'s Great Barrier Reef have uncovered evidence that baby fish, only millimetres long, manage to find their ..., within minutes a surprisingly high percentage of baby fish had congregated in the water flow from their home reef. "It was a lot more than you'd expect...

Army research mission focused on autism

...trained, and was smearing (feces) on the walls. My baby had been stolen away from us." This was the reality Lyn Redwood of the National Autism Association faced when her child was diagnosed with autism. Autism is a developmental brain disorder that affects as many as 1 in 150 children as reported by t...

Plastic that degrades in seawater could be boon for cruise industry and others

... outcome. This study is the first to show that the baby benefited from the therapy, especially those who a...ts associated with preterm birth and having a sick baby or child, treatment with nitroglycerin may result in major cost saving and longer-term health benefi...

Improving outcomes in premature births

... outcome. This study is the first to show that the baby benefited from the therapy, especially those who a...ts associated with preterm birth and having a sick baby or child, treatment with nitroglycerin may result in major cost saving and longer-term health benefi...

A potential biological cause for sudden infant death syndrome

...atory and arousal centers in the brain so that the baby doesn't asphyxiate. "A normal baby will wake up, turn its head, and start breathing faster when carbon dioxide levels rise," explains K...

Low levels of neurotransmitter serotonin may perpetuate child abuse across generations

...f Chicago shows. A research team found that when baby rhesus monkeys endured high rates of maternal rejection and mild abuse in their first month of life, their brains often produced less serotonin, a chemical that transmits impulses in the brain. Low levels of serotonin are associated with anxiety and ...

Underweight women at greater risk of miscarriage

...lp women who want to reduce their risk of losing a baby in pregnancy'. ...

Molecules in blood foretell development of preeclampsia

... When preeclampsia occurs late in a pregnancy, the baby can be delivered with relatively few ill effects. ...lampsia occurs early in pregnancy, delivery of the baby would result in premature birth, which increases the risk of death, and for such lifelong complicati...

Technology for monitoring fetal oxygen during labor offers no apparent benefit

... technology for measuring blood oxygen levels of a baby during labor--expected to provide information usef...nology hoped that knowing the oxygen status of the baby during labor would provide information on the health of the baby, especially when there were disturb...

Commercial fishing causes dangerous fluctuations in fish populations

...ly reliant on the successful growth of larvae into baby fish (recruits) to maintain population numbers year on year. Professor John Beddington from Imperial College London's Division of Biology, who worked on the study, explained: "Intensive fishing makes populations vulnerable because if they rely on ...

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