LifeOak trees use delaying tactics to thwart hungry caterpillars An infestation of caterpillars can make an oak tree postpone when it opens its leaves next year by three days, wrong-footing the insects when they attack again News
EarthThe death of dinosaurs dramatically re-engineered Earth's landscapes Changes in rock formations from before and after the mass extinction event 66 million years ago may reflect how dinosaurs acted as ecosystem engineers, shaping vegetation and even the meandering of rivers News