Earth is bombarded every year by rocky debris, but the rate of incoming meteorites can change over time. Finding a collection scattered on the planet’s surface can be challenging, especially if you are interested in reconstructing how frequently they land. Now, researchers have uncovered a wealth of well-preserved meteorites that allowed them to reconstruct the ...
Time travel is something that is often presented as a fantasy. The idea that a human being can travel into the future is believed to be impossible. However, you may be surprised to know that a Russian cosmonaut has already traveled into the future. The time traveler Sergei Krikalev is a veteran space traveler who ...
The opener to Matthew Walker’s TED Talk is not exactly what you’d expect to hear in a lecture about sleep. “Men who sleep five hours a night have significantly smaller testicles than those who sleep seven hours or more,” Walker, a UC Berkeley professor of psychology and neuroscience, told the audience at the popular media ...
Think you have never come in contact with dark matter? You couldn’t be more wrong. The average human body gets hit by a dark matter particle once every minute according to Katherine Freese from the University of Michigan and Christopher Savage from Stockholm University. Dark matter and the human body Dark matter is a hypothetical ...
When University of Kansas professor John James Kennedy began working in rural China, he was introduced to villagers with multiple children — despite the country’s strict one-child policy, which led to China’s “Missing girls” problem. The associate professor of political science said: “Some of these villagers would have three kids. They’d introduce eldest daughter and ...
Astronomers believe planets like Jupiter shield us from space objects that would otherwise slam into Earth. Now, they’re closer to learning whether these also guard solar systems elsewhere in the galaxy. A UCR-led team has discovered two Jupiter-sized planets about 150 light years away from Earth that could reveal whether life is likely on the ...
The first humans who settled in Scandinavia more than 10,000 years ago left their DNA behind in ancient chewing gums, which are masticated lumps made from birch bark pitch. This is shown in a new study conducted at Stockholm University and published in Communications Biology. There are few human bones of this age, close to ...
Which came first, the pigs or the pioneers? In Barbados, that has been a historical mystery ever since the first English colonists arrived on the island in 1627 to encounter what they thought was a herd of wild European pigs. A recent discovery by an SFU archaeologist is shedding new light on the matter. Christina ...
A lunar lander named for the Chinese Goddess of the Moon may have lessened the mystery of the far side of the Moon. The fourth probe of Chang’e-4 was the first mission to land on the far side of the Moon, and it has collected new evidence from the largest crater in the solar system, ...
NASA’s New Horizons mission team has published the first profile of the farthest world ever explored, a planetary building block and Kuiper Belt object called 2014 MU69. Analyzing just the first sets of data gathered during the New Horizons spacecraft’s New Year’s 2019 flyby of MU69 (nicknamed Ultima Thule), the mission team quickly discovered an ...
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