'What Darwin Got Wrong'
A new book that challenges the extent to which natural selection explains evolution has been attacked by biologists even though the book's authors do not contest evolution itself.
A new book that challenges the extent to which natural selection explains evolution has been attacked by biologists even though the book's authors do not contest evolution itself. "What? Attack natural selection?! Surely, Darwin arrived at an irrefutable proposition," says Cambridge professor Simon Morris. "Recruiting the Malthusian insight that a given population will always increase more rapidly than the resources available to sustain it, Darwin argued that the culling of the less fit is an inevitability and can be achieved only by the pervasive and ceaseless scrutiny of natural selection. Uncertainty that natural selection is, in fact, the real motor of evolutionary change has been a constant theme of those skeptical of Darwin’s formulation."
Both schizophrenics and people with a common personality type share similar brain patterns.
- A new study shows that people with a common personality type share brain activity with patients diagnosed with schizophrenia.
- The study gives insight into how the brain activity associated with mental illnesses relates to brain activity in healthy individuals.
- This finding not only improves our understanding of how the brain works but may one day be applied to treatments.
It's a development that could one day lead to much better treatments for osteoporosis, joint damage, and bone fractures.
- Scientists have isolated skeletal stem cells in adult and fetal bones for the first time.
- These cells could one day help treat damaged bone and cartilage.
- The team was able to grow skeletal stem cells from cells found within liposuctioned fat.
Gut bacteria play an important role in how you feel and think and how well your body fights off disease. New research shows that exercise can give your gut bacteria a boost.
- Two studies from the University of Illinois show that gut bacteria can be changed by exercise alone.
- Our understanding of how gut bacteria impacts our overall health is an emerging field, and this research sheds light on the many different ways exercise affects your body.
- Exercising to improve your gut bacteria will prevent diseases and encourage brain health.
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