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A looming 'insect apocalypse' could endanger global food supplies. Can we stop it before it's too late?

Insect populations are in steep decline, which could endanger the food supply. But there are things we can do to reverse the ...

Fern stems reveal secrets of evolution: How constraints in development can lead to new forms

There are few forms of the botanical world as readily identifiable as fern leaves. These often large, lacy fronds lend ...