Next, he looked into the source of the water and found that it came from the polluted river. Finally, the source of water was cxamined and cholera was controlled. 2. Cholera is a problem but can be prevented due to John Snow. Meanwhile, he changed the way scientists study diseases. ...
Somebigscientificdiscoveriesaren'tactuallydiscoveredbutborrowed.That'swhathappenedwhenscientistsdiscoveredproteinsfromanunlikelylender:greenalgae(绿藻),whosecellsaredecoratedwithproteinsthatcansenselight.Thelight-sensingproteinpromisedthepowertocontrolneurons(神经元)byprovidingawaytoturnthemonandoff.Suchability,firstnotice...
Maya Dangerfield
Some philosophers argue it's morals or ethics. While some scientists assert it's our greater cognitive development, but I argue that the main difference is our desire to combat routine. This makes being creative a biological manda...
Spread of the coronavirus has exposed troubling problems at fur farms and how we respond to outbreaks there.
Some big scientific discoveries aren't actually discovered but borrowed. That's what happened when scientists discovered proteins from an unlikely lender. green algae(绿藻).whose cells are decorated with protcins that can sense light.The light-sensing protein promised the power to control neurons(神...
Scientists have long wondered what benefit zebras might get from their fancy black-and-white coats.Those stripes(条纹) may be most useful as protection from biting flies,a recent study concludes. Biologists studied zebras and other closely related African animals.They tested five popular ideas about...
There are forms of DNA that have been discovered to have other shapes, for example there occasionally arises a left-handed form of DNA that scientists have called “Z-DNA”. (Fortunately, Z does not mean zombie, however it is only a matter of time until a comic book writer uses it that...
, help scientists understand how diseases develop and progress and help researchers test new drugs to make sure they are safe and effective. The ability toheal and enhance the bodyis one of the biggest benefits of stem cells and is why they are so useful in treating and curing diseases....
With the success of vaccines for infectious diseases in mind, scientists have wondered if it might be possible to similarly harness the power of the immune system against other conditions. Now, researchers are working to develop vaccines for cancer. But what, exactly, are cancer vaccines, and ho...