Uncategorized

  1. Animals

    Jackpot of fossilized pterosaur eggs unearthed in China

    A treasure trove of pterosaur eggs and embryos gives tantalizing clues to the winged reptile’s early development.

    By Carolyn Gramling
  2. Animals

    Studying giant tortoise flips without tipping the animals over is a delicate business

    Giant tortoise shells go domed or saddlebacked, but which is better when navigating treacherous ground?

    By Susan Milius
  3. Humans

    50 years ago, folate deficiency was linked to birth defects

    50 years ago, scientists found that a lack of folic acid in pregnant women could cause birth defects. But now, how much is too much?

    By Bethany Brookshire
  4. Science & Society

    Would you opt to see the future or decipher the past?

    Acting Editor in Chief Elizabeth Quill wonders what it would be like if scientists could see into the past and the future.