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Asteroids - Facts and Information about Asteroids | Space
Asteroid defense
We can observe an asteroid by observing them through a radar. The radar can reveal its size, shape, and whether it is two objects.
In the unlikely event that an asteroid is deemed a threat, NASA has inventions to effectively diffuse them such as:
- Kinetic Impactor - a spacecraft that slams into the asteroid to move it's orbit; and
- Gravity Tractor - a spacecraft that remains near the asteroid until it has its own gravity to gradually alter its path
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Contagious yawning
Whenever someone yawns near you, you may find it near impossible not to yawn.
New studies found the reason we battle to stop a yawn appears to reside in the brain area that's responsibl...
Yawning and brain activity
The urge to yawn increases when you try to stop yourself from doing so.
The tendency to yawn in return is linked to brain activity levels in a person's motor cortex. The more activity in the area, the more likely the person would be to yawn.
Misophonia
Misophonia is characterized by strong negative emotions such as anger and anxiety in response to everyday sounds other people make. These sounds include humming, chewing, t...
Misophonia and brain particularities
Scientists do not fully understand misophonia but suspect it's caused by the way some people's brains process particular sounds and react to them.
Some studies found that the brains of people with misophonia showed hyperactivation of the salience network, a group of brain areas that direct our attention to important things in our surroundings. Trigger sounds send the salience network into an overdrive. Researchers found these brain areas are structurally more robust in people with misophonia.
Calming a misophonic brain
There's a lot of similarity between people who experience misophonia, but also a lot of diversity.
Therapists use a variety of techniques that is often based on the symptoms. Those who experience fear and anxiety may respond to exposure-based treatments. Those who experience anger can learn to manage their distress through distraction or relaxation techniques.
My Red Is Your Blue
About 1 per cent of American men suffer from red-green colour blindness.
Recent experiments challenge the accepted notion that all of us have the same default perception o...
The Calculations Of Light
- The colour-sensitive receptors that humans have, called melanopsin, measure the amount of blue or yellow light in the atmosphere and likewise regulate our circadian rhythm.
- Human beings have Cone Cells, which are of three types, Red, Blue, and Green, and have evolved much later than the receptors in the brain.
Colour Is A Private Sensation
- Research proves that the universal emotional responses that we have when we see a colour tend to be the same, even if the actual colour is different, as our conscious perception of those colours varies.
- The day-night cycle of living things is impacted by the ambient light, where the morning yellow light awakens us or makes us feel happy, and the dominance of blue light at night makes us feel sleepy.