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A new study of Australian preschoolers and Kalahari Bushman children suggests that overimitation, in which a child copies everything an adult shows them, appears to be a universal human activity, rather than something the children of western middle-class parents pick up. The research, published in Psychological Science, may help shed light on how humans develop and transmit culture.
Charles Darwin was probably correct about the effects of inbreeding in his family, according to a new study in BioScience.

Darwin demonstrated the phenomenon of inbreeding depression in many plants, and was aware of research into the effects of marriage between relatives on the health of resulting children. He feared that his marriage might have been responsible for some of his children's health problems.

The British Naturalist married his first cousin, Emma Wedgwood, and his mother, Susannah Wedgwood, was the daughter of third cousins.
Researchers at the University of Bonn have found evidence indicating that some Sauropod dinosaurs, typically known for their enormous size, were island dwellers and evolved into dwarfs.

By studying the structure of their fossils, researchers confirmed that the sauropod dinosaur Magyarosaurus dacus never grew any larger than a horse. The results appear this week in PNAS.
An international team of researchers has captured an enormous cloud of cosmic gas and dust - BYF73 - in the process of collapsing in on itself, a discovery which could help explain how massive stars form. The team’s findings have been published in the Monthly Notices of the Royal Astronomical Society.

Astronomers have a good grasp of how stars such as our Sun form from clouds of gas and dust, but how heavier stars form is still largely unknown.
Using ancient DNA preserved in bones from Siberian mammoths 25,000 to 43,000 years old, scientists have brought the primary component of the specimens' blood "back to life."

The seven-year research effort, detailed this week in Nature Genetics, reveals special evolutionary adaptations that allowed the mammoth to cool its extremities down in harsh Arctic conditions to minimize heat loss.

The findings will also help scientists study the DNA of other extinct species, such as Australian marsupials.


Astronauts could one day tend their own crops on long space missions, and researchers from Purdue say a variety of strawberry called Seascape seems to meet the requirements for becoming a space crop.

Seascape strawberries are day-neutral, meaning they aren't sensitive to the length of available daylight to flower. Seascape was tested with as much as 20 hours of daylight and as little as 10 hours. While there were fewer strawberries with less light, each berry was larger and the volume of the yields was statistically the same.

The findings are detailed in Advances in Space Research.


It almost looks like they're floating