Peter J. Ratcliffe

Table of Contents

Introduction References & Edit History Quick Facts & Related Topics

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Aspirin pills.

7 Drugs that Changed the World

Photo of the antacid Tums

How Do Antacids Work?

People wearing surgical masks (also called face mask or medical masks or safety masks) walk through the city center of Milan, Italy on Feb. 23, 2020. Coronavirus disease COVID-19 pandemic

How Do Face Masks Control the Spread of Disease?

Artificial lung ventilation monitor in the intensive care unit. Nurse with medical equipment. Ventilation of the lungs with oxygen. COVID-19 and coronavirus identification. Pandemic.

How Does A Ventilator Work?

Hand washing. Healthcare worker washing hands in hospital sink under running water. contagious diseases wash hands, handwashing hygiene, virus, human health

17 Questions About Health and Wellness Answered

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Ice Sledge Hockey, Hockey Canada Cup, USA (left) vs Canada, 2009. UBC Thunderbird Arena, Vancouver, BC, competition site for Olympic ice hockey and Paralympic ice sledge hockey. Vancouver 2010 Olympic and Paralympic Winter Games, Vancouver Olympics

10 Best Hockey Players of All Time

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Scottish fold cat. A genetic mutation caused (in the original cat-1961) the ears to bend forward and down.

Shorthair Cat Breeds

Colorful winter sunset

What's the Difference Between a Solstice and an Equinox?

Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.

10 of the World’s Most Dangerous Fish

A mug shot taken by the regional Colombia control agency in Medellin

Pablo Escobar: 8 Interesting Facts About the King of Cocaine

Hemp (Cannabis sativa).

9 Mind-Altering Plants

Peter J. Ratcliffe: References & Edit History

More Articles On This Topic

Assorted References

study of hypoxia
- In hypoxia

Article Contributors

Primary Contributors

Kara Rogers
Kara Rogers is the senior editor of biomedical sciences at Encyclopædia Britannica, where she oversees a range of content from medicine and genetics to microorganisms. She joined Britannica in 2006 and has been a member of the National Association of Science Writers since 2009.

Other Encyclopedia Britannica Contributors

Article History

Type	Description	Contributor	Date
	First paragraph modernization.	Encyclopaedia Britannica	May 10, 2024
	Anniversary information added.		May 10, 2024
	Add new Web site: The Nobel Prize - Sir Peter J. Ratcliffe.	Gloria Lotha	Sep 08, 2020
	New article added.	Kara Rogers	Oct 14, 2019