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  2. Silurian hypothesis - Wikipedia

    en.wikipedia.org/wiki/Silurian_hypothesis

    The eponymous Silurians on Doctor Who are a race of reptilian humanoids from Earth's past, making their first appearance in the show in 1970. Frank and Schmidt cite Inherit the Stars, a 1977 novel by J. P. Hogan as containing a similar hypothesis, but also say they were surprised by how rarely the concept was explored in science fiction. [2]

  3. Timeline of human evolution - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_human_evolution

    Early humans were social and initially scavenged, before becoming active hunters. The need to communicate and hunt prey efficiently in a new, fluctuating environment (where the locations of resources need to be memorized and told) may have driven the expansion of the brain from 2 to 0.8 Ma. Evolution of dark skin at about 1.2 Ma. [39]

  4. Timeline of prehistory - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_prehistory

    The Rise of Bronze Age Society: Travels, Transmissions and Transformations. Cambridge University Press. ISBN 978-0521843638. Turner II, Christy G.; Ovodov, Nicolai D.; Pavlova, Olga V. (2013). Animal Teeth and Human Tools: A Taphonomic Odyssey in Ice Age Siberia. Cambridge University Press. ISBN 978-1-107-03029-9.

  5. Stone Age footprints are earliest evidence of humans in North ...

    www.aol.com/news/fossil-footprints-show-humans...

    Fossil footprints show humans in North America more than 21,000 years ago, the earliest firm evidence for humans in the Americas and show people must have arrived here before the last Ice Age.

  6. List of time periods - Wikipedia

    en.wikipedia.org/wiki/List_of_time_periods

    On the geologic time scale, the Holocene epoch starts at the end of the last glacial period of the current ice age (c. 10,000 BC) and continues to the present. The beginning of the Mesolithic is usually considered to correspond to the beginning of the Holocene epoch.

  7. Solutrean hypothesis - Wikipedia

    en.wikipedia.org/wiki/Solutrean_hypothesis

    Examples of Clovis and other Paleoindian point forms, markers of archaeological cultures in North America. The Solutrean hypothesis on the peopling of the Americas is the claim that the earliest human migration to the Americas began from Europe during the Solutrean Period, with Europeans traveling along pack ice in the Atlantic Ocean.

  8. Timeline of the evolutionary history of life - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the...

    Anatomically modern humans appear in Africa. [103] [104] [105] Around 50 ka they start colonising the other continents, replacing Neanderthals in Europe and other hominins in Asia. 70 ka Genetic bottleneck in humans (Toba catastrophe theory). 40 ka Last giant monitor lizards (Varanus priscus) die out. 35-25 ka Extinction of Neanderthals.

  9. Archaeologists discover key tool that helped early Americans ...

    www.aol.com/archaeologists-discover-key-tool...

    Prehistoric people occupied the site toward the end of the last ice age, and temperatures would have been 5 to 7 degrees Celsius colder than they are today, Pelton said.