Exposure to ultrafine particles from traffic alters the expression of many genes in human olfactory mucosa cells, a new study shows. The study is the first to combine an analysis of emissions from different diesel fuels and exhaust after-treatment systems with an examination of their effects in a human-derived cell model of the olfactory mucosa.
Read more …Ultrafine particles from traffic disturb human olfactory cell function
For the first time, teachers in a nationwide study have told researchers what strategies they think work best to deal with student violence against educators. Teachers rated suspending or expelling students as the least effective way of addressing violence, despite the popularity of 'zero tolerance' policies in many school districts.
Read more …How teachers would handle student violence against educators
Far from being stiff and pointy, a coronavirus's infectious spikes are shaped like chicken drumsticks with the meaty part facing out, and the meaty part can tilt every which way on its slender stalk. A new study suggests that disabling those hinges could block infection.
Read more …How tiny hinges bend the infection-spreading spikes of a coronavirus