Untill the Sun blow ups (Supernova) or form global warmin. No one will ever know when humans will die out.
wolves havve been on earth since the last ice age. and they are just like humans they survived the last ice age as we did.
Nits last on humans for 2-4 weeks unless you kill them.
Around 12 hours in humans
From the earliest days of agriculture following the end of the last ice age. Humans began selectively planting only those seeds producing the most desirable food.
Since the last ice age, some 12,000 years ago when the first humans from Eurasia migrated to the Americas through the Bering Strait.
80-90 years of age (:
Not many people live long in the stone age. There were not doctors back in the stone age.
That's 114.5 years - think you can last that long ?
Yes they can. But if boys were only made, then humans sure wont last long.
about 300 years
You mean by humans? Some 10,000 years ago, during the last ice age.
about 700 years