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Articles by Kai Sinclair
Smile! Your dog's brain will light up in response
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This blind, wheelchair-bound undergrad just invented a new way of teaching math-and got an NSF grant for it
Logan Prickett had been in a coma for nearly 12 days. The 13-year-old from Ohatchee, Alabama, had gone in for a routine MRI but soon slipped into unconsciousness, a rare allergic reaction to the contrast agents in his MRI. His family thought he would never wake up. When he did, he couldn’t walk, he lost many fine motor skills, and he couldn’t raise his voice above a whisper. He was also almost completely blind. For an active teen like Prickett, the changes were devastating.
After a coma left him blind and in a wheelchair, this undergrad invented a new way of teaching math
Logan Prickett had been in a coma for nearly 12 days. The 13-year-old from Ohatchee, Alabama, had gone in for a routine MRI but soon slipped into unconsciousness, a rare allergic reaction to the contrast agents in his MRI. His family thought he would never wake up. When he did, he couldn’t walk, he lost many fine motor skills, and he couldn’t raise his voice above a whisper. He was also almost completely blind. For an active teen like Prickett, the changes were devastating.
Watch the secret to a squid’s crystal clear underwater vision
It’s hard to see underwater, and not just because of the chlorine. The image-producing light rays that enter our eyes have trouble bending and focusing when the water’s density is almost same as that of eye fluid. Sea creatures experience the same problem, but squid use a type of lens notorious for blurry images to correct that, researchers report today in .
Watch the secret to a tuna’s sharp turns
Bluefin tuna can stretch 3 meters, weigh a metric ton, and reach speeds of 60 kilometers per hour. Yet they still turn on a dime when hunting, thanks in part to their lymphatic systems. Unlike humans, who use their lymphatic systems to produce and transport white blood cells, tuna use theirs to move two of their fins, researchers report today in . When scientists dissected the nimble fish, they discovered empty cavities at the base of their second dorsal and under-belly fins.
Glider aims for new heights and rare scientific data
Surfing stratospheric waves in an engineless glider isn’t for the faint of heart, especially when you encounter turbulence. It’s like “being inside a washing machine,” says Jim Payne, who intends to break the current glider altitude record as the chief pilot for the Perlan 2, an experimental mission sponsored by the European aerospace company Airbus.
This avatar could help you perfect your smile
Looking for the perfect smile to impress your friends and co-workers? A new computer program could help. In a new study, researchers created a lifelike human avatar (pictured) and made it smile in dozens of different ways in front of volunteers. It turns out there isn’t one most successful smile, but many within an optimal range, the team reports today in .
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