An unknown culprit has been removing oxygen from our atmosphere for at least 800,000 years, and an analysis of air bubbles preserved in Antarctic ice for up to 1.5 million years has revealed the likely suspect.
Earth Sciences
Dec 20, 2021
0
1861
According to researchers from Radboud University and Utrecht University, Amsterdam's canals emit relatively little methane. Methane-eating microbes that make their home on the canal walls probably play an important role. ...
Ecology
Dec 17, 2021
0
15
Iron is an essential nutrient that almost all life requires to grow and thrive. Iron's importance goes all the way back to the formation of the planet Earth, where the amount of iron in the Earth's rocky mantle was 'set' ...
Astrobiology
Dec 6, 2021
0
1131
Humans need oxygen molecules for a process called cellular respiration, which takes place in our cells' mitochondria. Through a series of reactions called the electron transport chain, electrons are passed along in a sort ...
Cell & Microbiology
Dec 3, 2021
0
233
Scientists at the University of Southampton have discovered that two intense periods of volcanism triggered a period of global cooling and falling oxygen levels in the oceans, which caused one of the most severe mass extinctions ...
Earth Sciences
Dec 2, 2021
1
232
We all know that the dinosaurs died in a mass extinction. But did you know that there were other mass extinctions? There are five most significant mass extinctions, known as the "big five," where at least three-quarters of ...
Earth Sciences
Nov 1, 2021
0
314
Between 2.5 and 4 billion years ago, a time known as the Archean eon, Earth's weather could often be described as cloudy with a chance of asteroid.
Earth Sciences
Oct 21, 2021
1
248
A new study has shown how climate change could impact the ecosystems of the planet's largest lakes by revealing varying levels at which their water layers are mixed together through the seasons. As the climates warm, changes ...
Environment
Oct 12, 2021
1
12
For many marine animals, like the Dungeness crab, seasonality and timing are components of complex life cycles, where disruptions can have serious implications for the population. Understanding how climate change will impact ...
Plants & Animals
Oct 8, 2021
1
113
Not long after the dawn of complex animal life, tens of millions of years before the first of the "Big Five" mass extinctions, a rash of die-offs struck the world's oceans. Then, for reasons that scientists have debated for ...
Ecology
Oct 5, 2021
1
1394
