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loudness
Can loud music damage your hearing? | Haditips
After a three-hour concert by her favorite Norwegian metal band, Anja finds it difficult to hear her friend rave about the show. It sounds like he's speaking from across the room, and it’s tough to make out his muted voice over the ringing in he…
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platelet transfusion
How do blood transfusions work? - Haditips
In 1881, doctor William Halsted rushed to help his sister Minniewho was hemorrhaging after childbirth.He quickly inserted a needle into his arm,withdrew his own blood,and transferred it to her.After a few uncertain minutes,she began to recover.Halst…
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what are mini brains
What are mini brains? - Haditips
This pencil-eraser-sized mass of cells is something called a brain organoid.It’s a collection of lab-grown neurons and other brain tissue that scientists can use to learn about full-grown human brains.And it can be grown from a sample of your skin c…
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virus scanner
How do you know if you have a virus? - haditips
A new virus emerges and spreads like wildfire.In order to contain it,researchers must first collect data about who’s been infected.Two main viral testing techniques are critical:one tells you if you have the virus and the other shows if you’ve alrea…
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water pressure
The effects of underwater pressure on the body - haditips
Sometimes when a fish is reeled up to the surface it will appear inflated,with its eyes bulging out of its sockets and its stomach projecting out of its mouth,as if it's been blown up like a balloon.This type of bodily damage, caused by rapid ch…
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seizures treatment
Causes and treatment of seizures - haditips
Causes and treatment of seizure Nearly three millennia ago, a Babylonian tablet described a curious illness called mixture. Said to cause symptoms ranging from facial twitching to full-body convulsions, the Babylonians believed those afflicted were p…
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