Technology surrounding the human embryo has moved out of the realm of science fiction and into the reality of difficult decisions. Clinical embryologists fertilize human eggs for the purpose of helping couples conceive.

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Is self-actualization a biological need?

We think of self-actualization as a lofty goal, but research suggests it may just be another way of obeying our biological programming.

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  • Maslow's hierarchy of needs sets self-actualization apart from many of the "baser" needs, like needing food or belonging.
  • However, research in evolutionary psychology suggests that self-actualization may not be so different after all.
  • Instead, it may simply be another way of attaining status, ensuring that the self-actualized individual can acquire a mate and care for offspring.
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Why home DNA tests might not be as private as you think

These tests report on more than just your risk for cilantro aversion and your ice-cream flavor preference.

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Spit in the tube, seal up the envelope, wait three to five weeks, receive a litany of information about your ancestry and health for less than $200.

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Japan approves human-animal embryo experiments

The ultimate goal is to grow organs inside animals that could be transplanted into humans.

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  • The experiments will involve inserting human stem cells into rat and mouse embryos.
  • Some bioethicists are concerned about the potential harm this could inflict upon animals.
  • Organ shortages are a problem all over the world. In the U.S., as many as 20 people die every day while waiting for a transplant.
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Dinosaur bones: Hidden life revealed inside them

It's strange to think that something that died 76m years ago plays a role in modern ecosystems, but life is opportunistic.

One of the tricks you learn hunting dinosaurs in Canada is to look for orange.

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