The period in their twenties and thirties is where men and women establish their career paths and this often requires hard work and long hours. But women have to negotiate an especially tricky path because this is also the peak childbearing years and they have to face hard choices about what to do. Should they short-change their careers to better care for their children? Keep on the career path and forego having children or feel guilty about leaving the care of their children in the hands of others? Try to do both and end up exhausted and feeling a failure at both? Even with the most supportive partner, women still bear the brunt of this problem.
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Now that the media have a done a bang-up job of scaring the bejeesus out of everyone about the possibility of contracting Ebola, one can expect some foolish people to realize how easy it is to cause panic and take advantage of it to cause mischief.
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The proton has never been observed to decay into other particles. So it is possible that it is an absolutely stable particle and will never decay. However, there are some grand unified theories that argue that the proton does decay and physicists have been carrying out experiments to detect them decaying. The catch is that these theories predict an extremely long lifetime for the proton, greater that 10³¹ years! How does one do such an experiment?
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