One in four Americans unaware that Earth circles Sun

Americans are enthusiastic about the promise of science but lack basic knowledge of it, with one in four unaware that the Earth revolves around the Sun, said a poll out Friday.

Why do plant roots grow down and not up?

(PhysOrg.com) -- It is essential for roots to grow down so they can explore the soil and maximise their water uptake. But how they know that is a question that has fascinated scientists since Darwin. Now scientists led by ...

Mouse to elephant? Just wait 24 million generations

Scientists have for the first time measured how fast large-scale evolution can occur in mammals, showing it takes 24 million generations for a mouse-sized animal to evolve to the size of an elephant.

Scientists discover double meaning in genetic code

Scientists have discovered a second code hiding within DNA. This second code contains information that changes how scientists read the instructions contained in DNA and interpret mutations to make sense of health and disease.

page 1 from 40