[ad_1] Researchers warned that carbon dioxide emissions are destroying coral reefs and kelp forests, heat waves and ocean acidification damaging marine ecosystems . have already had a marked effect on our seas. …
Read More »
[ad_1] At the end of the Pleistocene (between 125,000 and 12,000 years ago), two species of wanderers roam Europe: the omnivorous brown bears (19459002) and the cave bear ( Ursus spelaeus ). …
Read More »
[ad_1] To discover and confirm the presence of a planet around stars other than the Sun, astronomers expect to have completed three orbits. However, this very effective technique has its drawbacks because …
Read More »
[ad_1] The Earth 's oxygen levels have increased and decreased more than a hundred million years before the global success of the Grand Oxidation Event there are about 2.4 billion. 39 years, …
Read More »