Efficient

... substance in the body, seizure reduction in case of epilepsy,..) and definitely not subtantiated. In conclusion, this will certainly be very efficient for the weight loss... of your wallet

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... often wins. If there were more than two genders, that would create too many possible permutations of mating relations for mating to really be efficient. What if one gender could mate with two others, but one of the two others could only mate with one other. Biochemically that would be very ...

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short and efficient list there canalon :)

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Yes, hand washing and other good hygiene practice are way more efficient than prayer. And not much more expensive either.

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... have evolved for the last 3 or 4 billion years to use all the energy available and all chemicals that could create life. And has become extremely efficient at that little game. So if it is unlikely that any self-replicating spontaneously molecule, far from perfect as is quite likely, would survive ...

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