Does Gravity Explain Physics' Mysteries?
Several mysteries currently bedevil physicists such as our inability to account for an expanding universe and an apparent exception to the cosmological principle of uniform laws.
What's the Latest Development?
A new theory about gravity has been put forth that could tie the loose ends of contemporary physics. Edmund Schluessel of Cardiff University says that large waves of gravity which disrupt the space-time grid could still be rippling through the universe billions of years after the big bang set them in motion. Those ripples could be strong but subtle enough to warp our observations of the universe while simultaneously keeping us from detecting the waves directly. If the waves affect the refraction of light, many of our current observations could be thrown into doubt.
What's the Big Idea?
Schluessel's hope is not to through us into more doubt but to resolve the apparent contradictions of contemporary physics. When physicists observed an expanding universe, for example, they were required to posit dark matter, yet this driving force of the cosmos has yet to be directly observed though it theoretically composes over 70 percent of everything we "know". Recent observations have also suggested that the universe may be expanding faster in some regions than in others contradicting the long-held cosmological principle which states physical laws are constant across the universe.
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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