From the rise of the lumbersexual, outdoorsmen's answer to the metrosexual, to the use of beards to sell anything from clothing to beer, beards are cool once again.

Just as counterfactuals employ too much imagination to qualify as historical works, alternate history often labors under too great a load of artificial facts to take flight as fiction.

We confirmed that the same sample when measured with our two-color smFRET microscope yielded consistent FRET efficiency results (0.31) when using γ specific for that instrument (0.94).

from the cradle to the grave