Japan’s proportion of elderly people is the highest in the world.
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Scientists are scouring garbage sites around the world for bacteria, fungi and even insects that harbor enzymes that could be harnessed for breaking down various polymers. It’s early days, but if the efforts can be efficiently scaled-up, such biological recycling could put a dent in the plastic waste problem.
A new character has stepped onstage in the story of human aging: neural excitation.
The brain’s neural activity, long implicated in disorders ranging from dementia to epilepsy, plays a role in human aging and life span, according to research led by scientists in the Blavatnik Institute at Harvard Medical School.
The study, published on 16 Oct. in Nature, is based on findings from human brains, mice and worms and suggests that excessive activity in the brain is linked to shorter life spans, while suppressing such overactivity extends life.
Japan’s population declined in all of its 47 prefectures for the first time in a record drop, while its number of foreign residents hit a new high, reaching almost 3 million people, according to government data released Wednesday, highlighting the increasing role that non-Japanese people play in the shrinking and aging country.
The population of Japanese nationals fell by about 800,000 people, or 0.65%, to 122.4 million in 2022 from the previous year, falling for a 14th straight year.
The 1998 Godzilla.
One of the more threatening aspects of climate change is its potential to unleash feedbacks, or situations where warming induces changes that drive even more warming. Most of those are natural, such as a warmer ocean being able to hold less carbon dioxide, resulting in even more of the greenhouse gas in the atmosphere.
But at least one potential feedback has a very human element: air conditioning.
A lot of the carbon dioxide we emit comes from the production of electricity. The heat those emissions generate causes people to run air conditioning more often, which drives more electricity use, which drives further emissions. It’s a feedback that will remain a threat until we manage to green the electrical grid.
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Meanwhile YouTube tries to copy TikTok by pushing Shorts.