latest science development in world answer this question before 8:05
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In 2020, many of the world’s top scientists centered their attention on the new coronavirus. Their efforts provided valuable information about the virus and led to new vaccines to fight it.
But there were other big scientific developments in 2020, as well-
ᏢᏞᎪՏͲᏆᏟ-ᎬᎪͲᏆΝᏀ ᏴᎪᏟͲᎬᎡᏆᎪ
European researchers identified a new bacterium that feeds on polyurethane, a kind of plastic that is difficult to recycle or destroy.
The team, from Germany’s Helmholtz Center for Environmental Research, said the discovery could help reduce a flood of hard-to-recycle plastics filling up the world’s landfills and polluting oceans.
Many polyurethane-based products can release dangerous chemicals into the environment. But the researchers found that the bacterium can produce enzymes to break down the material.
ႮΝᏞᏆᏙᎪᏴᏞᎬ’ ᎻᎬᎪͲ ᏴᎽ 2070
Researchers from the United States, China and Europe warned that in just 50 years, as many as 3.5 billion people could be facing “near-unlivable” heat.
A study suggests the extreme heat would result from rising world temperatures linked to human-caused climate change. The exact number of people at risk will depend on whether pollutant levels can be reduced and how quickly the world population will grow.
Under the worst-case predictions for population growth and carbon pollution, the study estimates about 3.5 billion people could be living in extremely hot areas by 2070. That would be one-third of the world’s projected population.
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