SCIENCE IN THE NEWS WEEKLY
New Fossil Finds in Texas, Denmark, Yemen
A fossil rediscovered in the National Museum of Natural History in Washington, D.C., could provide new insights into the origins of modern amphibians. Experts say the 290-million-year-old fossil, found in Texas in the 1990s, suggests the creature had features of both frogs and salamanders.
Elsewhere, Danish scientists reported the oldest and most northerly fossil of a parrot ever discovered. Found on Denmark's Isle of Mors, the fossil is estimated to be 54 million years old.
And dinosaur footprints have been found for the first time on the Arabian Peninsula. The 150-million-year-old tracks—more than 100 in all—were made by plant-eating ornithopods and sauropods. The footprints are said to suggest herding behavior along a coastal mudflat in the late Jurassic period.
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VIDEO: How Hair Ice Grows
In 2013, American Scientist featured an article on odd ice formations on plant stems, including these curling ribbons of ice. One of the types of ice discussed in the article was hair ice—long, thin strands of ice that grow under quite specific conditions. The only problem is that a new study shows the theory put forth at the time—that gas pressure pushes the water out—isn’t correct... (click the link above to read more).
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