article_snippet.sent: And It could date back to early human evolution in Africa, where spiders with very strong venom have existed millions of years ago.
article_snippet.sent: Study leader Joshua New, of Columbia University in New York, said: ‘A number of spider species with potent, vertebratespecific venoms populated Africa long before hominoids and have co-existed there for tens of millions of years.
article_snippet.sent: Humans were at perennial, unpredictable and significant risk of encountering highly venomous spiders in Humans ancestral environments.
article_snippet.sent: ‘Even when not fatal, a black widow spider bite in the ancestral world could leave one incapacitated for days or even weeks, terribly exposed to dangers,’ a black widow spider bite in the ancestral world told the Sunday Times.
article_snippet.sent: The researchers point out that spiders are often small dark creatures that tend to hide in recesses and are hard to spot.
article_snippet.sent: The instinct could date back to early human evolution in Africa, where spiders with very strong venom existed millions of years ago.
article_snippet.sent: Pictured: a venomous Phormictopus antillensis spider .
highlights_snippet.sent: Could date back to early human evolution in Africa, where spiders with very strong venom existed millions of years ago .