Dinosaurs: Juvenile, adult or senior?

How old were the oldest dinosaurs? This question remains largely unanswered. The natural life span of these long-extinct giants is of interest to scientists, in combination with questions regarding how fast they could grow ...

Scientists reveal new species of dog-sized dinosaur

Scientists have named a new species of bone-headed dinosaur (pachycephalosaur) from Alberta, Canada. Acrotholus audeti (Ack-RHO-tho-LUS) was identified from both recently discovered and historically collected fossils. Approximately ...

Primitive-plant uber-geek's heart belongs to lycopods

(Phys.org)—When Jeff Benca moved to Berkeley last month, he came so loaded with valuables he had to rent a truck. Make that a cargo van, air-conditioned to accommodate its contents—thousands of plant starts, many of them ...

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