The calyxes of other Lobelias don't inflate after the corollas of their flowers have withered away.
A 2016 Surgeon General's report concluded that youth use of nicotine in any form, including e-cigarettes, is unsafe, causes addiction and can harm adolescent brain development, which impacts attention, memory, and learning
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The rod-shaped virus particles (virions) of TMV measure about 300 nm x 15 nm (Figure 6)
The study design placed non-smokers in a sealed, unventilated chamber with experienced cannabis users who smoked high-potency marijuana (up to 11.3% THC)
To their great surprise, the nicotine ignored proteins in the between-cell gaps and instead bound directly to a specific receptor on the receiving nerve cell surface