People have been celebrating the summer solstice with elaborate rituals since prehistoric times. But humans aren't the only species to take mark June 21 as a special time. Studies are showing the ...

Some species of fig trees store calcium carbonate in their trunks—essentially turning themselves (partially) into stone, new research has found. The team of Kenyan, U.S., Austrian, and Swiss ...

Kenyan fig trees can literally turn parts of themselves to stone, using microbes to convert internal crystals into limestone-like deposits that lock away carbon, sweeten surrounding soils, and still ...