Every Black Hole Might Hold a Universe
"We could be living inside a black hole. This head-spinning idea is one cosmologist's conclusion based on a modification of Einstein's equations." The New Scientist on some very new astronomy.
"We could be living inside a black hole. This head-spinning idea is one cosmologist's conclusion based on a modification of Einstein's equations." The New Scientist on some very new astronomy. "In an analysis of the motion of particles entering a black hole, published in March, Nikodem Poplawski of Indiana University in Bloomington showed that inside each black hole there could exist another universe. 'Maybe the huge black holes at the centre of the Milky Way and other galaxies are bridges to different universes,' Poplawski says. If that is correct—and it's a big 'if'—there is nothing to rule out our universe itself being inside a black hole."
There's a growing understanding that drawing is much more than an art form: it's a powerful tool for learning.
- We often think of drawing as something that takes innate talent, but this kind of thinking stems from our misclassification of drawing as, primarily, an art form rather than a tool for learning.
- Researchers, teachers, and artists are starting to see how drawing can positively impact a wide variety of skills and disciplines.
- Drawing is not an innate gift; rather, it can be taught and developed. Doing so helps people to perceive the world more accurately, remember facts better, and understand their world from a new perspective.
It may be simpler than we thought.
- An analysis of a massive amount of data reveals four new personality types.
- The study is the first to take self-reporting out of the equation.
- The four new types are "average," "reserved," "self-centered," and "role model".
Despite its prominence in our collective imagination, variations in metabolism play a minor role in obesity.
- Vox senior health correspondent Julia Belluz spent a day inside of a metabolic chamber at the National Institutes of Health Clinical Center.
- Her 90 minutes on stationary cycle only burned 405 calories, just 17% of the day's total calories.
- Resting metabolism uses up the bulk of the body's energy.
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