Medical research

Solving the mystery of defective embryos

It's the dream of many infertile couples: to have a baby. Tens of thousands of children are born by in vitro fertilization, or IVF, a technique commonly used when nature doesn't take its course. However, embryos obtained ...

Psychology & Psychiatry

Couples who have sex weekly are happiest

More sex may not always make you happier, according to new research published by the Society for Personality and Social Psychology.

Medical research

Crystal clear images uncover secrets of hormone receptors

Many hormones and neurotransmitters work by binding to receptors on a cell's exterior surface. This activates receptors causing them to twist, turn and spark chemical reactions inside cells. NIH scientists used atomic level ...

Genetics

Happy in marriage? Genetics may play a role

People fall in love for many reasons—similar interests, physical attraction, and shared values among them. But if they marry and stay together, their long-term happiness may depend on their individual genes or those of ...

Psychology & Psychiatry

Men and women explore the visual world differently

Everyone knows that men and women tend to hold different views on certain things. However, new research by scientists from the University of Bristol and published in PLoS ONE indicates that this may literally be the case.

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