Mysterious Boulders Suggest Ancient 800-Foot-Tall Tsunami

EST data suggest that poplar is an ancient polyploid.

We analysed the publicly available expressed sequence tag (EST) collections for the genus Populus to examine whether evidence can be found for large-scale gene-duplication events in the evolutionary past of this genus. The ESTs were clustered into unigenes for each poplar species examined. Gene families were constructed for all proteins deduced from these unigenes, and K(S) dating was performed...

Mysterious Marriage

And Mysterious

" I think you might do something better with the time " , Alice said, " than wasting it in asking riddles that have no answer "-from A Mad Tea-Party Abstract. First year undergraduates usually learn about the classical Rolle's theorem saying that between two consecutive zeros of a smooth function f one can always find at least one zero of f ′. But what happens with the zeros of higher derivativ...

Mysterious origins

A survey of 2 006 U.S. adults last year revealed that 48 % believe the earliest humans lived at the time of the dinosaurs. This survey is often cited as evidence of Americans’ dismal understanding of science. But earlier this year, a television program from the National Broadcasting Company (NBC) told those muddled masses that they could well be right. The program, called The Mysterious Origins...

Leptospirosis: The “mysterious” mimic

Leptospirosis is a potentially fatal bacterial disease that can display a wide array of clinical presentations thus mimicking better-known illnesses. Although, leptospirosis is primarily a zoonotic disease, it frequently inflicts severe illness and death on communities around the globe. A comprehensive overview of the disease in wake of the 2006 outbreaks in India is hereby presented and discus...