Specific aromatic plant volatiles have often been tested with success for the purpose of repelling or masking host cues (i.e., olfactory camouflage) towards herbivores in various types of agroecosystems (e.g., [ 15, 16]), although the active role of the chemical component has also been doubted, and opinions have been raised in favour of companion crops acting as pure physical barriers [ 17].
Dumplings, cobblers or a twist on strawberry shortcake, like one from David Guas, can mask a host of rain-induced sins.
This marriage of convenience, however, masked a host of differences.
Regarding "Index of social progress doesn't quite add up" (April 12): In Latin America it is evident that economic growth has masked a host of social ills.
For while Morsi has skilfully negotiated the first major foreign policy crisis since the fall of Hosni Mubarak's regime, that success masks a host of challenges ahead for him.
There's something riveting and a bit chilling in how quickly she drops her mask of charming host and shows another.
So, if you've ever watched your host mask a grimace when you show up to dinner with a Barefoot chardonnay (Barefoot, a Gallo company, is the top-selling wine brand in the US), it's not just because you showed up with a bottle illustrated by a naked foot of unknown provenance, it's also because a lot of people have internalized that they don't like chardonnay.
Furthermore, melanin can mask fungi against host immune responses, therefore contributing to fungal pathogenesis and virulence [ 36].
Masking antigens with host molecules is another common strategy for avoiding detection by the immune system.
However, any strain-specificity inherent in this system may equally be likely to reduce or mask any such host-parasite differentiation.
