/r/science
Question:- The present age of a father is three years more than three times the age of his son. Three years hence, the father,s age will be 10 years more than twice the age of the son. Determine their present ages. [CBSE 2020] Answer:-
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Rigid ryegrass in Morocco and Tunisia shows widespread resistance to common herbicides due to mutations and enzyme activity.
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The Tengmalm's owl was identified as the definitive host of a new species of Sarcocystis (Sarcocystis funereus sp. nov.), with molecular studies confirming its life cycle and high similarity to previously identified isolates in owls and rodents.
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Just two injections a year of an antiviral drug entirely prevented HIV infection among more than 2,000 women and girls enrolled in a clinical trial. Injections of the drug lenacapavir protected sexually active women and girls in Africa from the virus.
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