Dr. Elizabeth Mitchell Articles

• Ancient Whales and How Their Skulls Affected Directional Hearing

  Sept. 3, 2011 from News to Know

  The whale evolutionary tale takes a new twist.

• Number of Estimated Species Reaches 8.7 Million

  Sept. 3, 2011 from News to Know

  Classification scheme is key to species count.

• Jurassic Rat Now Considered Oldest Mammalian Ancestor

  Sept. 3, 2011 from News to Know

  Once upon a time, in a Jurassic park long, long ago, grandmother rat climbed a tree.

• Scientists Rewind Evolution With Unique Chicken Embryo

  Aug. 27, 2011 from News to Know

  Jurassic spark part two: the chick-a-gator

• Cooking: The World’s Oldest Profession

  Aug. 27, 2011 from News to Know

  Home-cooked meals: secret of our evolutionary leap

• Classifying the Blue Whale by Jaw Type

  Aug. 27, 2011 from News to Know

  Another big mouth beast becomes an honorary member of the baleen club.

• Sulphuric Fossils Give Insight On Ancient Earth

  Aug. 27, 2011 from News to Know

  Sulfur-based life: for real? And what does Australian sandstone have to do with Mars?

• The Bible: Library or Book?

  Aug. 27, 2011 from News to Know

  Galileo groans as he’s trotted out again.

• An Eel Emerges as the Next Living Fossil

  Aug. 20, 2011 from News to Know

  Dubbed Protoanguilla palau—meaning “first eel”—this little eel is prompting a redrawing of his family tree. Discovered in western Pacific caves 35 meters deep, the eel seems like a patchwork from the eel time machine.

• Bird Bro-mance Behavior in Zebra Finches Trumps Mating

  Aug. 20, 2011 from News to Know

  Bonded bird behavior in same-sex partners: what does it mean?

• Plesiosaur Fossils Suggest Sea Monsters Gestate Early in Life

  Aug. 20, 2011 from News to Know

  Plesiosaur harbors a paleo-obstetrical surprise.

• Can Accumulated Mutations Produce New Species?

  Aug. 20, 2011 from News to Know

  Can three walk together and evolve into one?

• Giant Bugs: Why They Once Roamed the Earth

  Aug. 20, 2011 from News to Know

  Did giant insects seek or shun a high oxygen atmosphere?

• Giant Crested Rat Painted With Poison Sends Predators Packing

  Aug. 13, 2011 from News to Know

  The African crested rat, 14 inches long, would make a hearty meal for predators were it not for its well-advertised deterrent.

• Genome Structure Over Genetic Mutations: What Makes You Different

  Aug. 13, 2011 from News to Know

  The genomic forest is harder to see than its trees.

• A Snail’s Tale of the Past

  Aug. 13, 2011 from News to Know

  Protein degradation purported to peer into the past.

• Nemesis Comet Most Likely a Myth

  Aug. 13, 2011 from News to Know

  Have no fear: the death star is not there.

• Building Blocks In Space Rocks—The Wellspring of Life?

  Aug. 13, 2011 from News to Know

  The verdict is in: the “building blocks of life” are found in meteorites.

• Dinosaur-Bird Confusion

  July 30, 2011

  Xiaotingia zhengi—the latest so-called feathered fossil in Liaoning—is providing a creative way to draft the Archaeopteryx into the dinosaur family.

• Dawn Over Asteriod Vesta Expected to Shed Light on Ancient Origins

  July 23, 2011 from News to Know

  Dawn over Vesta expected to shed light on ancient origins

• Feedback Article

  Embryo Protection

  July 22, 2011 from Feedback

  It’s good to learn about ourselves and the world, but we must take care to preserve human life in the process. Can we observe embryo development without causing harm? Dr. Elizabeth Mitchell explains.

• Fish Still Considered a Transitional Form of Evolution

  July 16, 2011

  Tiktaalik tries again.

• Vestigial Salmon Organ Actually Useful

  July 16, 2011

  Marine biologists have long thought the “adipose fin” on the back of some fish was vestigial. But a recent study finds a function for this fin.

• More Microfossils

  June 25, 2011 from News to Know

  Algae to bones . . . what’s the difference?

No results found in .