Many animals eat plants. Some plants eat animals. While the first scenario is not puzzling, the second still holds some mysteries, even for scientists. How, exactly, does a plant know how or when to eat an animal?
In the case of the Venus flytrap (Dionaea muscipula) one of the world’s most famous and mesmerising plant carnivores it’s all a matter of timing. Whether you’re a fly or a spider, a beetle, or a grasshopper, timing is absolutely crucial if you want to avoid becoming lunch.
At 75, I’ve volunteered for a Covid vaccine trial. It could set people free – The Guardian
Some of my friends think I’m mad but we need to know people my age can go out safely again
Theres a 50% chance that this week I was injected with a vaccine designed to protect me from Covid-19. If not, I got the saltwater placebo instead. I wont know until the study ends in 13 months, which is a shame. It would be nice to walk the streets without looking balefully around me at young people not wearing masks and thinking: Im 75, this virus kills people my age.
It killed my chum Mike Pentelow, who was having a lot of fun in his retirement, writing books with titles such as A Pub Crawl Through…
Small increases in air pollution linked to rise in depression, finds study – The Guardian
Exclusive: Cutting pollution levels may help to reduce rates of mental health problems, say scientists
Small increases in peoples exposure to air pollution are linked to significant rises in depression and anxiety, according to the first such study of UK adults.
The researchers found that an incremental increase in nitrogen dioxide, largely produced by diesel vehicles, heightened the risk of common mental disorders by 39%. For tiny particle pollution, which comes from burning fuels, and brake and tyre dust, the risk rose by 18%.
The scientists also found that people living in places with higher levels…
US virus deaths ‘could hit 500,000’ by February – The New Daily
Researchers in Washington are warning the US death toll from COVID-19 could double by February, unless all Americans wear masks.
The US death toll from COVID-19 could surpass 500,000 by February unless nearly all Americans wear face masks, according to researchers, as 14 states set new records for one-day increases in infections.
The latest estimate by the widely cited University of Washington’s Institute for Health Metrics and Evaluation reflects fears that cold winter weather will drive Americans indoors, where the virus is more likely to spread.
Nationwide, 76,195 new cases were reported on Thursday, according to a Reuters…
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