Category Archives: Biology

Q: What’s the highest population growth rate that the Earth can support?

Physicist: Zero. Populations tend to grow exponentially, which is why the growth rate is defined as R in P = AeRt, where A is the population at time t=0, and P is the population at any other time t.  If … Continue reading

Posted in -- By the Physicist, Biology, Math | 5 Comments

Q: What is the meaning of life?

Mathematician: I’m glad you asked. The theory of evolution with natural selection sheds some light on the question of why humans exist, which in turn relates to the meaning of life. First of all, let me get this out of … Continue reading

Posted in -- By the Mathematician, -- By the Physicist, Evolution, Philosophical | 17 Comments