This overview of different fleet fuels delves into the various conventional and alternative fuel types available for ...

Earth's lakes are experiencing an alarming drop in oxygen levels, new research shows. Similar trends have also been observed ...

So why do so many life-forms breathe oxygen? There are probably thousands of kinds of metabolisms, or chemical processes that ...

Imagine a world where the oxygen you need changes dramatically between day and night. Your world shifts from being rich in oxygen (oxic) in the day, so you have energy to hunt for food, to ...

About half a billion years ago, early animals in the oceans and seas struggled to survive in a world that experienced ...

These colours are created by two primary gases in the Earth’s atmosphere — oxygen and nitrogen. Oxygen causes a green light, and nitrogen gives off hints of purple or blue, while a red hue can ...

Mar. 10, 2025 — It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing ...

The effects of an escalating trade war could impact local real estate. Greater Toronto Area (GTA) real estate has seen steep declines in sales over the past three years due to higher borrowing costs ...

Model of Antarctica's Water Enhances Sea Level Forecasts Feb. 11, 2025 — Researchers have generated the first dataset of water flow beneath the entire Antarctic Ice Sheet, which will lead to ...

Climate science has correctly predicted many aspects of the climate system and its response to increased atmospheric carbon dioxide concentrations. Recently, discrepancies between the real world ...

Advice from an English teacher in Massachusetts for guiding teenagers to think critically but not cynically about the information they consume. By David Nurenberg This collection of interactive ...

Diabetes can affect any part of the digestive system. Over time, persistently high blood sugar levels can lead to damage that results in a range of symptoms, including diarrhea in some cases.