useless trivia: What Word Means: A Purely Abstract Type Of Bharata Natya Dance?

Questions

onycholysis refers to the destruction of the?

he was the german nobel prize winner of 1918, inventor of the method of ammonia processing, and attempted to extract gold from sea?

originally a french word meaning "twittering of?

resent lucasian professor of mathematics and author of a brief history?

time?