Friday, June 28, 2019

Nonnative pear trees are showing up in US forests

Callery or Bradford pear trees are starting to show up in many eastern forests. Once established, the invasive trees are hard to eradicate, a biologist warns.

from Latest Science News -- ScienceDaily https://ift.tt/2XfUgZA
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Stanford scientists discover the human brain may actually be two separate organs

Scientists have found that the human brain develops from two distinct cellular systems, suggesting that evolution fused together two ancient...