Mathematicians explain how some fireflies flash in sync

Stake out in Pennsylvania's Cook State Forest at the right time of year and you can see one of nature's great light shows: swarms of fireflies that synchronize their flashes like strings of Christmas lights in the dark.

'Planetary parade' to start in June

First came a rare solar eclipse, followed by the northern lights, fueled by a solar storm. The next celestial phenomenon will come next month, when skygazers can look forward to an alignment known as a "planetary parade."

Dugongs likely to be functionally extinct in China

A small team of researchers from China, the U.K. and Greece reports that dugongs are likely functionally extinct in China. In their paper published in the journal Royal Society Open Science, the group describes interviewing ...

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