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Mar 20, 2014 01:05 PM ET // Paul Heltzel
We open our eyes wide or narrow them to help identify danger, an adaptation that affects our perception of reality. Continue reading →
Mar 17, 2014 02:55 PM ET
Human evolution happened slowly over the course of thousands and thousands of years. Are we still evolving today? Trace discusses a few recent findings showing how humans, even in the past 5,000 years, are continuing to evolve!
Mar 10, 2014 11:00 AM ET
Could Neanderthals, long thought to be unable to vocalize, actually talk to each other? Trace is here to tell you about a tiny bone found in Neanderthals and modern humans that might hold the answer.
Feb 27, 2014 03:00 PM ET // Tia Ghose, LiveScience
The ancestors of Native Americans may have lived on and around the Bering Strait for about 10,000 years before streaming into the Americas.
Feb 25, 2014 07:00 PM ET // Jennifer Viegas
Without protective fur to safeguard against sun damage, our ancestors went from pale-skinned to dark-skinned.
Feb 13, 2014 11:47 AM ET
The discovery of the earliest-known human footprints outside Africa leads to a big question: How does carbon dating work? Trace is here to tell you all about carbon dating and other ways we can know the age of an object or fossil.
Feb 11, 2014 06:13 AM ET // Benjamin Radford
Strange, elongated skulls found in South America are spawning theories about unknown humans and aliens. But why?
Feb 7, 2014 02:20 PM ET // AFP
The footprints were left by ancient humans some 800,000 years ago.
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