SCIENCE IN THE NEWS WEEKLY
Earliest Arrowheads Found in South Africa
Last week researchers in South Africa reported finding what could be the earliest evidence of human-made arrows, in the form of stone points that date back 64,000 years.
And a new study suggests that having adequate "living space" may have been more important than having a competitive edge when it comes to the evolution of species. The research team used fossils to study evolutionary patterns over 400 million years of history.
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