Chicken-hearted tyrants: Predatory dinosaurs as baby killers

Two titans fighting a bloody battle -- that often turns fatal for both of them. This is how big predatory dinosaurs like Tyrannosaurus are often depicted while hunting down their supposed prey: even larger herbivorous dinosaurs. ...

Sex involved in plant defense

Why do some plants defend themselves from insect attacks better than others? New evidence shows that the difference might be due to whether they're getting any plant love.

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