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Medical Xpress / Firearm carrying accelerates suicide risk among high school students, study shows
Self-reports from more than 23,000 high school students in 15 states for a school-based survey administered by the Centers for Disease Control and Prevention reveal a strong association between firearm carrying and the risk ...
Phys.org / Male sperm whales produce loudest communication sounds ever measured in any mammal
Deep in the world's oceans, large male sperm whales emit slow, low-frequency clicks with the highest source levels of any animal communication sounds. These slow clicks are not the echolocation clicks the whales use to locate ...
Medical Xpress / Study of 2 million newborns ties skipped vitamin K shot to higher bleeding risk
Newborns receive several routine immunizations shortly after birth. Prophylactic vitamin K is one such recommended shot. It activates several coagulation factors necessary for blood to clot properly, preventing vitamin K ...
Medical Xpress / A bacterial imbalance in men's semen may influence the chances of having a baby
An imbalance in the bacteria found in men's semen was linked to substantially lower chances of a couple having a baby and to more pregnancy losses, according to new research published in The Lancet Obstetrics, Gynaecology, ...
Phys.org / Hiroshima blast debris reveals a previously unknown alloy
The Hiroshima blast on Aug. 6, 1945, was one of the most devastating events in human history. Like all nuclear detonations, it created fleeting moments of extreme heat, pressure, mixing and cooling. These conditions can briefly ...
Phys.org / Noisy bubbles hinder ultrasound-boosted chemical reactions, sonochemistry model shows
Ultrasound is a powerful way to drive chemical reactions. When high-frequency sound waves pass through a liquid, tiny bubbles form and then violently collapse in a process called acoustic cavitation. During this collapse, ...
Phys.org / Physicists create Bose–Einstein condensate from ultracold polar molecules
Bose–Einstein condensates are states of matter that form when particles called bosons are cooled to temperatures that are only a fraction of a degree above absolute zero (i.e., 0 Kelvin [-460°F]). In these states, particles ...
Phys.org / Study suggests natural sounds help us feel more attached to specific places
A new study suggests the sounds around us have a significant impact on how we feel about physical spaces, with natural sounds—such as birdsong—associated with a greater sense of attachment to a given place. The study draws ...
Phys.org / 'Like the end of the world': The eclipse chasers flocking to Spain
Suddenly, the world is plunged into an eerie, violet darkness. The temperature drops. Birds and other animals, bewildered by unforeseen night, start behaving strangely. Stars and planets appear in the sky next to the blotted-out ...
Medical Xpress / Tumor-like tissue environments could hold clues to curing HIV
The tissue microenvironments surrounding HIV-infected immune cells look a lot like those surrounding cancerous tumors, reports a new Northwestern University study.
Phys.org / Ways to help protect Australia's birds and mammals from bird flu
The deadly H5N1 strain of bird flu has now spread from migratory birds to infect resident Australian birds. Clusters of dead birds have been found in several locations. The virus will inevitably infect other wildlife, most ...
Tech Xplore / Single-atom-based electrode significantly expands operating voltage window of aqueous supercapacitors
A research team led by Jung Kyu Kim, a professor in the Department of Chemical Engineering at Sungkyunkwan University (SKKU) (co-first authors: Ph.D. candidates Dong Zhang and Jong Hun Kim), in collaboration with Min-Cheol ...
