News tagged with trees

Can pollution help trees fight infection?

Trees that can tolerate soil pollution are also better at defending themselves against pests and pathogens. "It looks like the very act of tolerating chemical pollution may give trees an advantage from biological ...

dateJun 29, 2015 in Ecology
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Oldest-known stone tools pre-date Homo

Scientists working in the desert badlands of northwestern Kenya have found stone tools dating back 3.3 million years, long before the advent of modern humans, and by far the oldest such artifacts yet discovered. ...

dateMay 20, 2015 in Archaeology & Fossils
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