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Disputed Fossil Sold for $1 Million

An American auction house sold a fossil of a fearsome T. rex relative for $1 million despite a court order not to. The fossil was found in Mongolia, and the sale is contingent on the outcome of a court fight with the Mongolian government over ownership.

In other news of the ancient past, scientists have for the first time confirmed pigment in two fossilized ink sacs from cuttlefish-like animals, a new study says. The ancient ink's similarity to modern squid ink suggests that this defensive weapon hasn't evolved much since the Jurassic period.

The consensus is that dogs came from wolves. Beyond that, there are varying claims. It seems dogs appeared sometime between 15,000 and 100,000 years ago, in Asia or Africa or multiple times in multiple places. In a new study, a researcher argues that the DNA of modern dogs is so mixed up that it is useless in figuring out when and where dogs originated.

A team of paleontologists has discovered the fossil remains of a new species of dining-table-size freshwater turtle that apparently lived side-by-side with the 50-foot snakes and super-size crocodiles that they had found earlier in the same Colombian coal mine.

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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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