Statistical analysis of fossil data shows that it is unlikely that Australopithecus sediba, a nearly 2-million-year-old apelike fossil from …
new discoveries
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Approximately every two Earth years, when it is summer on the southern hemisphere of Mars, a window opens: …
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Humans
Study Shows Natural Dyes Used to Color Clothing Thousands of Years Ago
by Troy Oakesby Troy OakesEven thousands of years ago people wore clothing with colorful patterns made from plant- and animal-based dyes. Chemists …
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Humans settled in southwestern Amazonia and even experimented with agriculture much earlier than previously thought, according to an …
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Astronomers have discovered rapidly swinging jets coming from a black hole almost 8,000 light-years from Earth. Published today …
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History can tell us a lot about the Crusades, the series of religious wars fought between 1095 and …
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How do you observe a process that takes more than 1 trillion times longer than the age of …
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People over the millennia have reported having deeply moving religious experiences either spontaneously or while under the influence …
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Environment
Using Lightning to Measure the Density of the Upper Atmosphere
by Troy Oakesby Troy OakesNo one has a firm grasp on the dimensions and activity of the lowest part of our upper …
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Technology
Researchers Develop Way to Control the Speed of Light, Send It Backward
by Troy Oakesby Troy OakesResearchers have developed a way to control the speed of light. Not only can they speed up a …