This phenomenon has been one of nature’s most intriguing puzzles ...

For nearly a century, scientists debated how large stones appeared to move across the dry lake bed of Racetrack Playa in Death Valley. Long trails etched into the mud showed that rocks weighing ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...