Recent content by Zen2

  1. Z

    Should We Stop Eating Foods with Unique DNA Fingerprints?

    I'm not sure I fully understand the question, but if you're asking whether if it's unsafe to eat carrots due to their unique DNA fingerprint, you have to keep in mind that there are unique DNA fingerprints in a lot of things you eat. If not, then every piece of food you eat. Meats, vegetables...
  2. Z

    What Happens to Light When It Reflects Off a Mirror?

    Light is an electromagnetic wave that exhibits both wave and matter-like properties yes? I was wondering what happens to light when it reflects off a mirror. If a tennis ball is thrown at a wall, the moment of contact between the ball and the wall is very brief, so the deceleration rate is...
  3. Z

    Should We Stop Eating Foods with Unique DNA Fingerprints?

    This is how the whole 'out of Africa' concept came about. Genetic analysis has concluded that all mitochondrial DNA came from a single point in Africa. http://en.wikipedia.org/wiki/Out_of_Africa_theory
  4. Z

    Medical Could a supervirus cause the total extinction of the human species?

    A short answer to this question would be no, because as the others have noted, it would have to have a 100% death rate. Transmission must be very effective and the virus must be very robust. What I mean by 'robust' is that it can survive on its own, extracellularly for a prolonged period of...
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