Scientists made espresso with sound instead of heat, and most drinkers couldn't tell the difference

Developed by engineers and food scientists at UNSW Sydney, this new method is called "ultrasonic espresso" and replaces heat ...
Nature

Non-random Distribution of Bull Spermatozoa in a Drop of Sperm Suspension

SPERMATOZOA are usually thought to swim in random directions in their suspending medium, seminal plasma, sea water, Krebs–Henseleit–Ringer solution, etc., unless, as in the spermatozoa of many plants ...
Scientific Research PublishingOpinion

Diagnostic Reliability of Medical Test Results as Routinely Reported to Physicians and Patients by Clinical Laboratories ()

Diagnostic clinical labs are frequently requisitioned by healthcare providers to perform tests of medical risk factors of ...