Related topics: species · genes · plants · evolution

Darwin's travels may have led to illness, death

(AP) -- The very travels that inspired Charles Darwin's theory of evolution and shaped modern biology may have led to one of the illnesses that plagued the British naturalist for decades and ultimately led to his death, ...

Gatekeeper for tomato pollination identified

Tomato plants use similar biochemical mechanisms to reject pollen from their own flowers as well as pollen from foreign but related plant species, thus guarding against both inbreeding and cross-species hybridization, report ...

Morocco dinosaur discovery gives clues on why they went extinct

66 million years ago, the last dinosaurs vanished from Earth. We're still trying to understand why. New fossils of abelisaurs—distant relatives of the tyrannosaurs—from north Africa suggest that African dinosaurs remained ...

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