The 'unimaginable' way of survival of African aborigines
Although human society has grown very far from the primitive time, there are still aboriginal and tribal people living by hunting instincts for survival.When did the first Aboriginal people arrive in Australia?
Previously, scientists had genetically analyzed the Aboriginal hair samples and affirmed the extremely long and profound relationship between the Aboriginal groups and theirContraceptives from toxins for men
Science has found a series of contraceptives for women, but for men, they can only use condoms or vasectomy.