The Daily Evergreen

Science Explained: How do allergies work?

People who are exposed to more parasites in their childhood will likely have a lower chance of suffering from allergies. This is called hygiene hypothesis.

EMMA LEDBETTER, Evergreen reporter

June 15, 2020

Seasonal-allergy sufferers are all familiar with the classic symptoms of watery eyes, runny nose and congestion that come with allergies. The scientific cause for allergic reactions may actually lie in a defense against parasites, said Phil Mixter, clinical associate professor in WSU's School of Mole...

Science Explained: How do vaccines work?

There are three types of vaccines: live-attenuated, inactivated and recombinant. Vaccines protect people from contracting preventable diseases like the measles.

EMMA LEDBETTER, Evergreen reporter

June 10, 2020

As many states begin to reopen, the development of a COVID-19 vaccine has been an important topic of discussion, but many people wonder: what exactly is in a vaccine that helps humans develop immunity? Types of vaccines Felix Lankester, assistant professor for the Paul G. Allen School for Global Animal...

Science Explained: Why is hand washing more effective than using hand sanitizer?

Soap molecules have two distinct parts: a hydrophilic (“water loving”) head and a lipophilic (“oil loving”) tail. Soap disrupts the structure of viruses.

EMMA LEDBETTER, Evergreen reporter

May 27, 2020

Health officials recommend frequent hand washing as one of the best ways to prevent the spread of COVID-19 — but what is it about hand washing that makes it so effective when compared to other sanitation methods?  The answer comes down to the chemical structure of soap.  Soap molecules have...

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