A new study addresses a controversial hypothesis regarding the potential ramming function of the sperm whale’s head. This hypothesis was instrumental in inspiring Herman Melville to write the novel Moby Dick but its mechanical feasibility had never been addressed.
A team of international paleontologists demonstrate that ancient mammal relatives known as therapsids were suited to the drastic climate change by having shorter life expectancies and would have had a better chance of success by breeding at younger ages than their predecessors.
A leading cause of the bone-loss disease osteoporosis is hyperparathyroidism. Doctors commonly treat this using a class of prescription drugs called bisphosphonates, which are supposed to strengthen bones. A UCLA study found those drugs actually increase the risk of fracture, meaning that taking them is worse than doing nothing at all. The research also revealed that patients who have surgery to remove the overactive parathyroid glands have fewer subsequent bone fractures.
New research on coral reefs suggests that existing biodiversity will be essential for the successful adaptation of ecosystems to climate change.
Microbiologists based in the Institute for Global Food Security and School of Biological Sciences at Queen’s University Belfast have recently released results that may have answered one of ancient history’s greatest enigmas: Where did Hannibal cross the Alps?
A shocking new report by the Wildlife Conservation Society (WCS) and Fauna & Flora International documents a catastrophic collapse of the world’s largest great ape– the Grauer’s gorilla – due to a combination of illegal hunting around mining sites and settlements, prior civil unrest, and habitat loss.
New study by researchers at the Intermountain Medical Center Heart Institute in Salt Lake City found that effectively treating depression can reduce a patient’s chance of having a stroke, heart failure, a heart attack or death.
People with high levels of good cholesterol, or high-density lipoprotein, are not as safe from heart disease when high levels of a newly identified biomarker of inflammation in the arteries are also found in their bloodstream, according to a new study.
The first largescale study of ancient DNA from early American people has confirmed the devastating impact of European colonisation on the Indigenous American populations of the time.
Epilepsy is a neurological disorder that causes seizures of many different types. Recent research from Japan has found that epileptic seizures can be more easily predicted by using an electrocardiogram to measure fluctuations in the heart rate than by measuring brain activity, because the monitoring device is easier to wear. By making more accurate predictions, it is possible to prevent injury or accident that may result from an epileptic seizure. This is a significant contribution toward the realization of a society where epileptic patients can live without worrying about sustaining injury from an unexpected seizure.
Like an endlessly repeating video loop, horrible memories plague people with post-traumatic stress disorder. But a new study in veterans shows the promise of mindfulness training for enhancing the ability to manage those thoughts if they come up. It also shows the veterans’ brains changed in ways that could help switch off that endless loop.
Two invasive species of tumbleweed have hybridized to create a new species of tumbleweed that University of California, Riverside researchers found has dramatically expanded its geographic range in California in just a decade.
A new study analyzes cloud cover around the world over 15 years. It finds that variations in cloud cover can help researchers predict where different species live — information that could aid conservation and management efforts.
Peering deep into the heart of our Milky Way galaxy, this Hubble Space Telescope image reveals a rich tapestry of more than half a million stars. Except for a few blue, foreground stars, the stars are part of the Milky Way’s nuclear star cluster, the most massive and densest star cluster in our galaxy. To learn more, join astronomers and scientists during a live Hubble Hangout discussion at 3pm EDT today (Thurs., March 31) at http://hbbl.us/y6k.
New images from ALMA reveal never-before-seen details in the planet-forming disk around a nearby Sun-like star, including a tantalizing gap at the same distance from the star as the Earth is from the Sun.
A research team led by University of Arkansas chemist Jingyi Chen and University of Arkansas for Medical Sciences microbiologist Mark Smeltzer has developed an alternative therapeutic approach to fighting antibiotic-resistant infections.
A study published in today's Nature gives estimates of sea levels rising twice what previous studies have warned. The rapid melting of Antarctic's Ice Sheet could raise the sea level as much as three feet by the end of this century. The newer model suggests that sea levels could rise as much as 13 meters by 2500 should the Antarctic Ice Shelf, roughly the size of Mexico, continue to melt.
A changing climate and reduced snow cover across the north is squeezing the snowshoe hare out of its historic range, according to a new study by researchers at the University of Wisconsin-Madison.
An international team of astronomers, led by the University of Cambridge, has obtained the most detailed 'fingerprint' of a rocky planet outside our solar system to date, and found a planet of two halves: one that is almost completely molten, and the other which is almost completely solid.
Could certain types of hormonal contraceptives cause an increase in seizures in women with epilepsy? A recent Texas A&M Health Science Center study suggests that ethinyl estradiol, the primary component of oral contraceptives, could be detrimental to the epileptic brain.
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