A Single Genetic Test Can Accurately Diagnose 25 Rare Diseases Faster Than Ever

Scientists have developed a quick genetic test that can diagnose a large range of rare muscle and nerve diseases with near perfect accuracy. Tandem repeat disorders are a family of over 50 inherited diseases, including Huntington’s disease and amyotrophic lateral sclerosis (ALS), that seem to occur when short DNA sequences are repeated too many times. … Read more

Animal behaviour: Rats can accurately estimate the passage of time

Rats trained to leave 3.2 seconds between presses of a lever or to hold it down for this length of time seem able to judge whether they were accurate enough to have earned a reward Life 21 February 2022 By Carissa Wong Rats can judge their ability to keep track of the passage of time … Read more