oldest human representative
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Ancient Human Fossil Could be Our Oldest Ancestors to Walk on Two Legs 7 Million Years Ago
The transition from walking from four to two legs was likely a result of habit influenced by ecology, according to a new study.
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U.S Severe Weather Threats: Isolated Tornadoes, Hail to Continue This Week; Dangerous Travel Possible
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Emperor Penguins Face Harsh Reality as Ice Melt Leads to Record Chick Mortality
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Florida: Dolphin Found Infected With Avian Flu; More Research Needed To Determine Cause, Experts Say
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![Climate Change is Reducing Dust Levels Worldwide as Arctic Temperature Warms [Study]](https://1471793142.rsc.cdn77.org/data/thumbs/full/70320/280/157/50/40/climate-change-is-reducing-dust-levels-worldwide-as-arctic-temperature-warms-study.jpg)
Climate Change is Reducing Dust Levels Worldwide as Arctic Temperature Warms [Study]
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Central US Weather Update: Tens Of Millions Of People At Risk For Winds, Hail, Floods
