Dog star: Scientist recalls training Laika for space

"I asked her to forgive us and I even cried as I stroked her for the last time," says 90-year-old Russian biologist Adilya Kotovskaya, recalling the day she bid farewell to her charge Laika.

How social media has synchronized human civilization

Human activity, whether commercial or social, contains patterns and moments of synchronicity. In recent years, social media like Twitter has provided an unprecedented volume of data on the daily activities of humans all over ...

Pluto's icy heart makes winds blow

A "beating heart" of frozen nitrogen controls Pluto's winds and may give rise to features on its surface, according to a new study.

Scientists convert skin cells to beating heart cells

Scripps Research Institute scientists have converted adult skin cells directly into beating heart cells efficiently without having to first go through the laborious process of generating embryonic-like stem cells. The powerful ...

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