Low oxygen level prolonged evolution of animals on Earth New data shows a link between oxygen and the existence of animals. It was found that a certain level of oxygen was needed for animal life to flourish. by Menchie Mendoza
Culture Sounds like alien technology but these man-made crystals can absorb, release oxygen just like hemoglobin by Jan Dizon
Healthy Living/Wellness Genetic mutation in Tibetans helps them thrive in high altitudes by Tina Shah
Science Space bling: White dwarf star may have crystallized into super-massive diamond by James Maynard