REWARDS RAISE KIDS’ IQ
FANTASTIC FACTS ABOUT LIGHT
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Light takes only 1.25 seconds to travel from Earth to the Moon.
Light is constantly generated at the core of the Sun, and takes about 100,000 years to move from the
core to the surface of the Sun. But it takes only about 8 minutes for that light to travel from the Sun’s surface to Earth.
Light takes 100 billion years to travel across the known universe.
Lightning bolts can travel up to 60,000 miles per hour and can be as bright as ten million 100-watt
light bulbs.
Sunlight can penetrate up to 260 feet deep into the ocean.
About a quarter of all people respond to bright light by sneezing. Confusion in the signals from nerves
around the eyes and nose tricks the brain into thinking the input is nasal instead of visual, thereby triggering the sneeze reflex to try to “expel” the light.
Heliophobia is a medical condition of the fear of light, whereas photophobia is sensitivity to light.
Light pollution (bright lights around cities, artificial light at night) can have serious health consequences, especially as relates to suppressing the production of melatonin. Suspected consequences range from disrupted sleep to higher risk for breast cancer.
Because they have an extra layer of reflecting cells in their eyes that absorb light, cats can see six times better than humans in the dark.
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You could power a 100-watt light bulb for one hour from the energy saved from recycling one
plastic bottle.
Richard Alleyne, science correspondent for the UK Telegraph, reports on a new study that shows motivated kids score higher on IQ tests than unmotivated ones. This finding calls into question just what common IQ tests are measuring. The University of Pennsylvania (USA) study found that if parents offered their kids financial incentive for trying their best on an IQ test, their score increased by up to 20 points, which is a huge percentage based “on the scale where the average is 100 and Mensa membership is around 150.” Researchers found “that on average a financial reward improved the score by 10 points but that higher values—above $10 (about £7)—could be rewarded with a 20-point increase. The researchers suggest that their study lends credence to the belief that success in life may not be linked so much as to intelligence as to motivation.
8 CHOICE POINT MAGAZINE
www.choicepointmagazine.com
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