Continents Move, Life Evolves
13.7 billion years of evolution in 85 seconds.
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Humans Used Spears for Hunting 200,000 Years Earlier Than Believed
Human ancestors were making spears to hunt 500,000 years ago – 200,000 years earlier than previously thought, a study has revealed. The collaborative study, published in the journal Science, found the stone-tipped weapons at the South African archaeological site of Kathu Pan 1. Attaching stone points to spears (known as “hafting”) was an important advance…
Ancient Ice Cores Give Clues to Effects of Global Warming
A new study indicates that the last interglacial period may give us a picture of where the planet is headed now, as greenhouse gases increase and temperatures rise. Results from the NEEM deep ice core drilling project, led by the University of Copenhagen, show that during the Eemian period, between 130,000 and 115,000 years ago,…
Portrait of the Artist as a Caveman
In a letter to the botanist Asa Gray written in 1860, a year after the publication of On the Origin of Species, Charles Darwin wrote, “a feather in a peacock’s tail, whenever I gaze at it, makes me sick!” His new theory of evolution by natural selection — or “the survival of the fittest,” as…
Study Shows Humans Are Still Evolving
Darwinian survival-of-the-fittest laws continue to shape human evolution in the modern age, research has shown.
How the Transit of Venus Opened the Planet to Our Forefathers
It’s called the transit of Venus. The planet will appear as little dark circle on the sun as it zips between us and that big yellow ball. About every 120 years or so, transits of Venus come in clusters – two in eight years. The last one was in 2004, and we won’t see another…
The Push for Federal GMO Labeling
The man behind the popular 2008 documentary Food, Inc. is out with a new project aimed at getting the U.S. Food and Drug Administration (FDA) to label genetically engineered or modified (GE or GMO) food products. Filmmaker Robert Kenner’s “Labels Matter” piece is part of his FixFood project, a social media platform to empower Americans…