Though dinosaurs died out 65 million years ago, there are still thought to be a few species left over from those days. Plants called cycads, the so-called "living fossils," have remained mostly unchanged for 300 million years. But a new study suggests that glamorous title may not be deserved.
CT scans and new DNA technology indicate that a bone sharpened into a spear was used to kill a mastodon in the northwestern U.S. 13,800 years ago. The research revisits an old debate about the evidence for an early hunt in North America.
Ned Kelly was tall, manly, often on horseback, chivalrous to ladies, a sucker for babies, a revolutionary, a bank robber and even an Irish nationalist. And now, 130 years later, Australia's legendary outlaw hero has been found.
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