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When a thirsty pregnant horse drank from a freshwater lake 47 million years ago, she was unaware that poisonous volcanic gases might lead to her sudden demise. Now, the fossilized remains of the mare and her tiny, unborn foal are revealing new insights into reproduction in ancient horses, including surprising reproductive similarities with today's horses, according to a new study.
Cat owners will recognise the purr of pleasure from their pets when they are tickled behind the ears, but a new analysis comparing the domestic cat’s genome with that of its wild relatives suggests this may also have been key to taming the animals in the first place.
Even if you haven’t watched Star Trek IV, you are probably aware of the fact that cetaceans (whales and dolphins) are among the smartest animals on the planet. In fact, this study suggests that, given a chance, different species of cetaceans may be able to learn to communicate with each other. Scientists noticed that killer whales who had spent time with bottlenose dolphins incorporated more clicking and whistles in their vocalizations than other whales, making their “language” a mashup of the two.
A big brain is a resource-hungry organ, demanding large amounts of energy-rich foods to keep it functioning. Understanding how species like humans and chimpanzees evolved large, energy-hungry brains is a difficult task: explanations must account for not only how the large brain provided an evolutionary advantage, but also how its energy demands could have been met.
Male hummingbirds use their beaks as deft, dagger-like weapons when fighting each other for territory, according to a study carried out by a group of scientists from the University of Connecticut and New Mexico State University.
When Arctic ground squirrels need to bulk up for winter, they get a boost from an enormous spike in the levels of steroids in their blood.
When two species of Australia's stingless bees go to battle, an extraordinary amount of carnage ensues, according to a new study.
U.S. violent crime including murders fell 4.4 percent in 2013, continuing a long-term downturn and marking the lowest number of violent crimes since the late 1970s, the FBI said on Monday.
Since the 1920s, scholars and politicians have blamed violence in movies and other media as a contributing factor to rising violence in society. Recently the responses to mass shootings in Aurora, CO and at Sandy Hook Elementary followed this theme as media consumption came into the equation. But can consumption of violent media really be a factor in real-world violence? A recent study published in the Journal of Communication by a researcher at Stetson University found that there were no associations between media violence consumption in society and societal violence.
Being shown pictures of others being loved and cared for has been linked to a reduction in the brain's response to threat, according to a recent study.
If you thought you’d seen it all – then you’re wrong.
Related: Discovery channel urged to drop stunt in which man gets eaten by snake
A virus that infects human brains and makes us more stupid has been discovered, according to scientists in the US.
In his 2004 book “Creativity is Forever“, Gary Davis reviewed the creativity literature from 1961 to 2003 and identified 22 reoccurring personality traits of creative people. This included 16 “positive” traits (e.g., independent, risk-taking, high energy, curiosity, humor, artistic, emotional) and 6 “negative” traits (e.g., impulsive, hyperactive, argumentative). In her own review of the creativity literature, Bonnie Cramond found that many of these same traits overlap to a substantial degree with behavioral descriptions of Attention Deficit Hyperactive Disorder (ADHD)– including higher levels of spontaneous idea generation, mind wandering, daydreaming, sensation seeking, energy, and impulsivity.
Students in classrooms with windows that open out to nature in all its glory may perform better on tests.
Insects developed wings before any other animals so they could keep up with the growing height of land plants, a new study suggests.
Decreasing solar activity could make the journey to Mars and back riskier for astronauts, a new study warns.
Could astronauts one day be printing rather than building a base on the Moon? In 2013 ESA, working with industrial partners, proved that 3D printing using lunar material was feasible in principle. Since then, work continues to investigate the technique. The shielding against radiation provided by a 3D-printed block of simulated lunar regolith was measured, providing important inputs for next-stage designss.
Alt: A home of our own - on the MOON: Esa reveals plans for first human settlement outside Earth - and says inflatable base will be made by 3D printing robots
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