An enzyme similar to that described by Smith and Wilcox (15) for Haemophilus influenzae which attacks foreign deoxyribonucleic acid (DNA) but not its own has been isolated and purified from H. parainfluenzae. The enzyme degrades foreign DNA to limited sizes and can destroy the transforming activity of H. influenzae and Bacillus subtilis DNA. The enzyme can also destroy the biological activity o...

"Walt Whitman hoped his small, green, unassuming chapbook Leaves of Grass would set the poetic and literary world on fire, but there was, initially, nothing a spark then fizzle. Reviews suggested that be sent to an insane asylum book itself was “intensely vulgar, nay, absolutely beastly.” Even in 2023, are divergent opinions concerning worth Whitman’s masterpiece. But how it received 1855?"

An 18-year old Afro-Caribbean woman presented with a 2-year history of a gradual onset, severely pruritic eruption affecting her upper chest and arms. The eruption started as crops of itchy papules on her upper chest, which were slowly spreading to her abdomen and inner aspect of both forearms. Emollients and topical steroids had been ineffective. She had no past medical history or family histo...