Chimps Who Make War
A ten year study of Ugandan chimps has documented violent territory struggles between rival camps, but what impresses researchers is the cooperation needed to carry out the attacks.
A ten year study of Ugandan chimps has documented violent territory struggles between rival camps, but what impresses researchers is the cooperation needed to carry out the attacks. "Dr. Mitani, however, is reluctant to infer any genetic link between human and chimp warfare, despite the similarity of purpose, cost and tactics. 'It’s just not at all clear to me that these lethal raids are similar sorts of phenomena,' he said. More interesting than warfare, in his view, is the cooperative behavior that makes war possible. Why do chimps incur the risk and time costs of patrolling into enemy territory when the advantage accrues most evidently to the group?"
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.
A groundbreaking new study shows that octopuses seemed to exhibit uncharacteristically social behavior when given MDMA, the psychedelic drug commonly known as ecstasy.
- Octopuses, like humans, have genes that seem to code for serotonin transporters.
- Scientists gave MDMA to octopuses to see whether those genes translated into a binding site for serotonin, which regulates emotions and behavior in humans
- Octopuses, which are typically asocial creatures, seem to get friendlier while on MDMA, suggesting humans have more in common with the strange invertebrates than previously thought
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