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    Ancient Climate Crisis Nearly Erased Humanity

    21 min
    |
    |
    23. Jan. 2026
    ScienceHistoryEnvironment

    Explore how extreme climate shifts 900,000 years ago—featuring prolonged cold periods and devastating droughts across Africa and Eurasia—nearly wiped out our ancestors, reducing human population by 98.7% for over 100,000 years.

    Ancient Climate Crisis Nearly Erased Humanity

    Bestes Zitat aus Ancient Climate Crisis Nearly Erased Humanity

    “

    Our ancestors experienced a 'bottleneck' where the breeding population crashed to just about 1,280 individuals, a 98.7% reduction that lasted for around 117,000 years. It suggests the very traits that make us uniquely human—like advanced cooperation and innovation—might have been forged in the crucible of near-extinction.

    ”

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    What are the potential causes of the severe human DNA bottleneck that occurred 930,000 to 813,000 years ago

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    Kernaussagen

    1

    Humanity's Near-Extinction Event

    0:00
    0:13
    0:30
    0:34
    0:51
    1:02
    1:19
    1:25
    2

    The Genetic Detective Story

    1:39
    1:56
    1:56
    2:13
    2:19
    2:37
    2:39
    3:00
    3:12
    3:31
    3

    The Perfect Storm of Catastrophe

    3:42
    3:53
    4:07
    4:08
    4:31
    4:37
    4:55
    5:00
    5:14
    5:26
    5:46
    4

    Survival Against All Odds

    5:58
    6:10
    6:17
    6:35
    6:43
    7:06
    7:20
    7:32
    4:37
    8:02
    5

    The Speciation Mystery

    8:12
    8:21
    8:36
    8:42
    8:57
    9:04
    9:25
    4:37
    9:44
    9:54
    10:11
    6

    The Recovery and Expansion

    10:23
    10:23
    10:25
    10:41
    10:46
    11:12
    4:37
    11:39
    11:49
    11:49
    12:00
    7

    Lessons from the Brink

    12:21
    12:32
    12:48
    4:37
    13:11
    13:20
    13:36
    13:46
    14:03
    14:15
    14:25
    8

    The Ongoing Scientific Mystery

    14:34
    14:43
    14:59
    15:02
    15:19
    4:37
    15:42
    15:44
    16:02
    4:37
    16:21
    16:27
    9

    Navigating Uncertainty in Our Origins

    16:43
    16:52
    17:06
    17:15
    17:27
    17:31
    17:53
    4:37
    18:15
    18:20
    18:38
    10

    Reflecting on Human Endurance

    18:52
    19:04
    19:15
    19:27
    19:37
    19:51
    20:05
    14:43
    20:32
    20:47

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