They were predominantly human viruses that acquired some genes from an avian source.
It never sends any emails, and it can infect vulnerable machines without any human help.
If a human male made sperm on a similar scale, they would be as long as a blue whale.
Other examples include pigments that produce the color in human hair and skin.
The human mind cannot tolerate the spectre of waste presented by the possibility of chicanery without detection.
There are no simple formulae for understanding the human mind and how it develops.
It's the one truly redeeming human quality that runs through everything we do.
High testosterone levels inhibit hair growth in human males and leads to male pattern baldness.
The next thing we need to understand is how the human race is meant to move forward towards these ideals.
A certain lustiness, a certain appetite for the pleasures of life, is an attractive, human quality.