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8 hours ago · The salinity of the oceans is constantly changing, influenced by both natural and human-induced factors. Climate change is expected to impact ocean salinity patterns, as changes in precipitation and evaporation affect the water cycle. Monitoring and understanding these changes are crucial for predicting the future of our oceans and their ...
8 hours ago · 10 million annually (2019) [ 6 ] Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [ 2 ][ 7 ] These contrast with benign tumors, which do not spread. [ 7 ] Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a ...
8 hours ago · The human ability to drink milk during adult life is supported by a lactase mutation which prevents this switch-off. Human populations have a high proportion of this mutation wherever milk is important in the diet. The spread of this 'milk tolerance' is promoted by natural selection, because it helps people survive where milk is available.
