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Tag: "nighttime" at biology news

Prenatal Stress Keeps Infants, Toddlers up at Night, Study Says

...w long the child slept (a consolidated daytime and nighttime total), how often the child awoke, and if he or she exhibited any of seven common forms of sleep problems, such as having nightmares, refusing to go to bed or having trouble falling asleep. Surprisingly, babies born to mothers classified as anxiou...

Sleep quantity affects morning testosterone levels in older men

...-to-nine days were used to determine the amount of nighttime sleep of the participants in everyday life setting...rone levels. Analyses revealed that the amount of nighttime sleep measured by polysomnography was an independent predictor of the subjects?morning total and fre...

Tracking sperm whales and jumbo squid

...tudy also revealed that the squid often made rapid nighttime dives from the surface to deeper waters preferred ...y are recovering at depth immediately after a deep nighttime dive," he explained. In previous studies, Gilly found that jumbo squid are well adapted to the lo...

Negative effects of caffeine are stronger on daytime sleep than on nocturnal sleep

...se coffee and other sources of caffeine during the nighttime to counteract sleepiness generated by sleep deprivation, jet lag, and shift-work. However, this habit may have important effects when you then try to recuperate during daytime." Thirty-four moderate caffeine consumers participated in both caffeine ...

New Research Shows Artificial Light at Night Stimulates Breast Cancer Growth in Laboratory Mice

...ults from a new study in laboratory mice show that nighttime exposure to artificial light stimulated the growth...in. The study also showed that extended periods of nighttime darkness greatly slowed the growth of these tumors. The study results might explain why female nigh...

Bats use touch receptors on wings to fly, catch prey, study finds

...tten theory that bats use their sense of touch for nighttime navigation and hunting. The theory that bats fly by feel was first proposed in the 1780s by French biologist Georges Cuvier, but faded in the 1930s when researchers discovered echolocation, a kind of biological sonar found in bats, dolphins and a fe...

NRL scientists detect 'milky sea' phenomena

...der both solar and lunar illumination. To achieve nighttime detection, the OLS uses a sensor capable of registering extremely low levels of visible light. This system has been used to detect terrestrial and atmospheric emission sources such as fires, lightning, and human activity (city lights, fishing boats, ...

Sudden change in social status triggers genetic response in male fish, study finds

...nant animals." Nighttime behavior To observe nighttime behavior of the cichlids, Burmeister donned infrared night-vision goggles and kept close watch on the experimental fish tanks. She soon discovered that dominant males undergo a temporary change in the dark--their bright color turns pale, and their ey...

Biologist Discovers What May Be World’s ‘Pickiest?Mates

...rvae to hatch at the safest time, the peak outward nighttime flow of the biweekly tidal cycle.?/p> “Wide burrows speed incubation, so cause the larvae to hatch too early and miss the peak tides. This research provides one of the first examples of how choosy resource selection can help offspring survivorshi...

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(Date:7/10/2014)... from The University of Texas Health Science Center at ... (IYG), a health education program designed to delay sexual ... dating violence behaviors among minority youth. , According to ... of high school youth are victims of physical dating ... percent are victims of emotional dating violence. Previous studies ...
(Date:7/10/2014)... children and teens living with a cardiac pacemaker, a ... quality of life, reports a study in the July ... , the official journal of the Society for ... published by Lippincott Williams & Wilkins , a ... may function as a protective factor against lower health-related ...
(Date:7/10/2014)... National Cancer Research Centre (CNIO) Macromolecular Crystallography Group ... protein called BuD to DNA in order to ... the researcher who led the study, says the ... the instructions contained in the genome to treat ... study is published in the journal Acta ...
Breaking Biology News(10 mins):It's Your Game ... Keep It Real reduces dating violence among minority youth 2For children with pacemakers, 'self-competence' affects quality of life 2CNIO scientists develop technology to redirect proteins towards specific areas of the genome 2
(Date:7/10/2014)... on aggression, who research issues ranging from child abuse ... Meeting of the International Society for Research on Aggression ... Georgia State University is hosting the prestigious world meeting, ... , "We are excited to be bringing together leading ... help produce fresh ideas about the causes, consequences and ...
(Date:7/10/2014)... The U.S. Department of Health and Human Services ... (UH) Case Medical Center Seidman Cancer Center totaling $4.7 ... improving care for patients with complex cancer. , ... unique model developed at UH to enhance care for ... demonstrated need for high health care utilization. ...
(Date:7/10/2014)... shown that more severe illness and even death are ... infection after developing influenza. Now, however, a team of ... if you reverse the order of infection, the bacteria ... protect against a bad case of the flu. ... which is described as a bacterial virulence factor, might ...
(Date:7/10/2014)... Biomedical Research Institute (IDIBELL) and the Catalan Institute of ... new therapeutic combination to combat resistant sarcomas. The clinical ... stabilize the growth of these tumors have been published ... ., Sarcomas , Sarcomas are a rare type ... It can affect from children to older ages. It ...
(Date:7/9/2014)... The World Health Organization recommends that youth participate in ... physical activity (MVPA) each day. Studies have shown ... hours. Therefore, it stands to reason that increasing ... In a new study scheduled for publication in The ... spent outdoors after school was positively associated with MVPA. ...
Breaking Medicine News(10 mins):Health News:Georgia State hosts national conference on aggression 2Health News:Georgia State hosts national conference on aggression 3Health News:UH Case Medical Center awarded $4.7 million grant from HHS 2Health News:UH Case Medical Center awarded $4.7 million grant from HHS 3Health News:Bacterial colonization prior to catching the flu may protect against severe illness 2Health News:New therapeutic combination to slow resistant sarcomas 2Health News:Go play outside! Outdoor time promotes physical activity in youth 2
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