| The Dragon capsule was successfully captured at 9:56 a.m. EDT by NASA astronaut Don Pettit, using the International Space Station's (ISS) robotic arm. SpaceX is the first private company to launch and dock a spacecraft at the ISS. Click the link above to learn more. BLOG POSTS  | Karen Purcell, P.E.: We Can STEM the Gender Gap
Studies that have examined test scores for both sexes at a variety of ages suggest that academic performance is not the greatest obstacle for girls who want to study math, science, or engineering. Gender stereotypes instilled in girls' minds at an early age are the real dream killers. |  | David Crews: More Evidence That Chemicals Are Changing Who We (and Our Children and Grandchildren) Are
We haven't proved that chemical exposure is at the root of increases in mental health disorders. What we do know with increasing confidence, however, is that chemical exposure is changing our brains, and that those changes are being passed on to our descendants. |  | James A. Shapiro: How Natural Genetic Engineering Solves Problems in Protein Evolution
A good way to see how natural genetic engineering facilitates the evolutionary process is to review what we have learned about protein evolution. |  | David Kaiser: Elegant Wiggles: Why the Universe Is Lumpy
Back in January the Edge posted almost 200 short essays in response to the question, "What is your favorite deep, elegant, or beautiful explanation?" Right away I knew what my favorite candidate would be: the prevailing explanation for why the universe is lumpy. |  | Matthew Hutson: Do We See People in Persistent Vegetative States As More Dead Than Dead People?
What do we think of people in persistent vegetative states, who can breathe but can't think? Mentally, they are dead, but since we're very aware of the body still lying there, we can't as easily imagine them as active characters in our lives. | | MOST POPULAR ON HUFFINGTONPOST.COM |
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