Warmer water temperature and decreased levels of oxygen in the ocean will act together to push marine animals away from the equator to places in the ocean where the oxygen supply can meet their future needs, says a study.
In what is perhaps a world record, a million people across 100 cities in India were screened at 500 health camps on a single day and provided tests and services worth Rs15 crore ($2.5 million), an organiser said.
The Centre for Science and Environment (CSE) on Sunday said that recent phenomenon of foaming of lake Varthur in east Bengaluru shows that the wetlands in the city as well as urban India are under a serious threat.
A new study has recently revealed that living at higher altitudes reduces risk of lung cancer in both smokers as well as non-smokers, which suggested that oxygen may promote the incidence of lung cancer.
Even as astronomers search for extraterrestrial life in planets that look a lot like Earth because of presence of oxygen, some such planets may not be habitable because of intense heat during their formative years, says a study.