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Female hands rolling a marijuana joint
Adult and adolescent cannabis users are no more likely than non-users to lack motivation or be unable to enjoy life’s pleasure, new research has shown, suggesting there is no scientific basis for the stereotype often portrayed in the media.
Robot shaking hands with Dr Micol Spitale
Robots can be better at detecting mental wellbeing issues in children than parent-reported or self-reported testing, a new study suggests.
View of Earth from 40,000 feet
Researchers have developed a new method for assessing the impacts of ozone-destroying substances that threaten the recovery of the ozone layer. 
People charging their electric cars at charging station
Researchers have developed a machine learning algorithm that could help reduce charging times and prolong battery life in electric vehicles by predicting how different driving patterns affect battery performance, improving safety and reliability.
Eating pheasant killed using lead shot is likely to expose consumers to raised levels of lead in their diet, even if the meat is carefully prepared to remove the shotgun pellets and the most damaged tissue.
Research examining traces of parasites in the remains of medieval Cambridge residents suggests that local friars were almost twice as likely as ordinary working townspeople to have intestinal worms – despite monasteries of the period having far more sanitary facilities.  
While funding is pumped into preventing low-probability scenarios such as asteroid collision, the far more likely threat of a large volcanic eruption is close to ignored – despite much that could be done to reduce the risks, say researchers.
Example image of the 3D printer nozzle used by the machine learning algorithm to detect and correct errors in real time.
Engineers have created intelligent 3D printers that can quickly detect and correct errors, even in previously unseen designs, or unfamiliar materials like ketchup and mayonnaise, by learning from the experiences of other machines.
Group of children playing tug of war
Fifty-three percent of six-year-olds met the recommended daily guidelines for moderate-to-vigorous physical activity in a study carried out pre-pandemic by researchers at the universities of Cambridge and Southampton.
Sun
DNA damage caused by factors such as ultraviolet radiation affect nearly three-quarters of all stem cell lines derived from human skin cells, say Cambridge researchers, who argue that whole genome sequencing is essential for confirming if cell lines are usable.

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