Life Learned To Breathe Oxygen Hundreds of Millions of Years Earlier Than Scientists Thought

Oxygen is everywhere on Earth today. But that hasn’t always been the case. Scientists think oxygen only became a lasting part ...
India Education Diary on MSN

Some early life forms may have breathed oxygen well before it filled the atmosphere

India, Feb. 9 -- Oxygen is a vital and constant presence on Earth today. But that hasn't always been the case. It wasn't until around 2.3 billion years ago that oxygen became a permanent fixture in ...
The Conversation

Why do people and animals need to breathe? A biologist explains why you need a constant source of oxygen

Christina S. Baer does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...
Salon

New research reveals the strange ways gut bacteria breathe without oxygen, influencing our health

In the wellness world, there’s a lot of pseudoscience circulating around about the human gut microbiome, the swimming colonies of microbes that inhabit our bowels, especially when it comes to selling ...