Oxygen
Space
Physicists design an experiment to pin down the origin of the elements
With help from next-generation particle accelerators, the approach may nail down the rate of oxygen production in the universe.
Space
Comet inspires chemistry for making breathable oxygen on Mars
Although plentiful in modern Earth’s atmosphere, molecular oxygen is extremely rare in space. Only trace amounts have been found elsewhere in our solar system...
Health
When macrophages are deprived of oxygen
Hypoxia, which occurs when cellular oxygen demand exceeds supply, is a common feature during inflammation associated with a bacterial infection. The reason for the...
Science
Planets with oxygen don’t necessarily have life, study
While searching life in other solar systems far and beyond, scientists often consider that oxygen presence in planet atmosphere indicates the sign of life....
Science
Oxygen could have been available to life as early as 3.5 billion years ago
Oxygen in the Earth's atmosphere is fundamental for complex types of life, which utilize it amid vigorous breath to make vitality.
The levels of oxygen...
Science
Insects took off when they evolved wings
The development of wings not just enabled old insects to leave noticeably the primary animals on Earth to take to the skies, yet in...