saleemah mahomed

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This Is What Happens To Your Brain When You Get A Concussion

For years the NFL claimed that concussions and the resulting neurological conditions of its players were rare. But an investigation into the dark history of concussions in the NFL published by PBS Frontline and new scientific studies show multiple blows to the head cause serious permanent brain …

Brains Sweep Themselves Clean Of Toxins During Sleep

While the brain sleeps, it clears out harmful toxins, a process that may reduce the risk of Alzheimer's, researchers say.<p>During sleep, the flow of cerebrospinal fluid in the brain increases dramatically, washing away harmful waste proteins that build up between brain cells during waking hours, a …

Why Leaves Change Color

Charles Rennie Mackintosh observed that, “Art is the flower, Life is the Green Leaf,” but I would very humbly add that after the green leaf dies, all those red, orange, and yellow leaves become nature’s most magnificent work of art.<p>For the past two weeks I’ve enjoyed autumn’s splendor, from the …

The human brain, its nervous projections, layers,... - Biomedical Ephemera, or: A Frog for Your Boils

<b>The human brain, its nervous projections, layers, and cortical blood vessels</b><p>Though we’re probably subconsciously aware of our brains on a day-to-day …

FYI: Why Do Leaves Turn Different Colors?

The burning question of the season<p>Leaves are loaded with chlorophyll, which makes them green. But all green plants also carry a set of chemicals called carotenoids. On their own, these look yellow or orange—carotenoids give color to corn and carrots, for example—but they’re invisible beneath the …

Gene Machine

A pipe that copies DNA using the heat of a lightbulb.<p>Biology's equivalent of an office copier is a PCR machine. PCR, short for polymerase chain reaction, is now a staple in crime-scene forensics, heredity tests, and organism hijacking. It's a mind-boggling feat. Among billions of base pairs that …

Life Hacks on Twitter: "http://t.co/eaNkuqAE1V"

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Majed Kanj on Twitter: "O Allah protect us from the punishment of the grave. http://t.co/cSffZa2Haj"

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Unbelievable Colored Pencil Drawings by Adolfo Fernandez Rodriguez

Every once in awhile, you come across a photo-realistic artist that blows your mind. The very first Online International Juried Exhibition of the Pencil Art Society just went live and it's there that we found the work of Adolfo Fernandez Rodriguez. The Madrid-based artist works with colored pencils …

Neuro-enhancement in the military: far-fetched or an inevitable future?

About five years ago, not long after I started up my research group at Cardiff University, something rather strange happened. One morning I came down to my lab to find the door wide open and a suited man standing in the middle of the room, peering around and scribbling on a clipboard. He told me he …