Fresh excavations at famed site of Monte Verde suggest
humans reached South America by 18,500 years ago
It's unclear whether
humans reached South America via coastal or inland routes.
People hunted giant sloths in the center of South America around 23,120 years ago, researchers say — a find that adds to evidence that
humans reached South America well before Clovis hunters roamed North America roughly 13,000 years ago.
People hunted giant sloths in the center of South America around 23,120 years ago, researchers say — a find that adds to evidence that
humans reached South America well before Clovis hunters roamed North America 13,000 years ago.
Not exact matches
Previous research suggests that, during the last ice age (which ended around 11,700 years ago),
humans moved into the Americas from Asia across what was then a land bridge to North America, eventually
reaching what is now the west coast of British Columbia, Canada as well as coastal regions to the
south.
Under this scenario, the new study finds that 4 percent of the
South Asian population would experience deadly wet - bulb temperatures exceeding 35 ° C. Approximately 75 percent of the population would experience humid temperatures higher than 31 ° C, which are dangerous for most
humans, but rarely
reached right now, Pal and colleagues report.
New genetic evidence instead suggests that wild precursors to sweet potatoes
reached Polynesia at least 100,000 years ago — long before
humans inhabited the
South Pacific islands, researchers report April 12 in Current Biology.
Human emissions are for 90 % in the NH and one can see that the increase is measured at sea level (Barrow) in the NH first,
reaching the same level some 6 months later at height (Mauna Loa) then in the SH at sea level (Samoa) some 15 months later and then in the SH at height (
South Pole) some 2 years later: