Footage shows people escaping train carriage minutes after St Petersburg blast

Footage shows people escaping train carriage minutes after St Petersburg blast

A video, filmed minutes after a blast at St Petersburg metro station in Russia, shows people escaping the train carriage, with some lying injured on the platform. At least 11 people were killed and 45 others injured after an explosion rocked the subway on 3 April. An anti-terror investigation has been launched but other possible causes are also being investigated. Russian Prime Minister Dmitry Medvedev has described the explosion as a terrorist attack. Apr 4, 2017
New explanation for why fertility declines with age emerges

New explanation for why fertility declines with age emerges

Researchers at the University of Montreal Hospital Research Center (CRCHUM) have discovered a possible new explanation for female infertility. Age-related female infertility is explained by a defect in the choreography of chromosome sharing during cell division in eggs before they are fertilised. This video shows chromosome segregation in mouse eggs. The spindle is labelled in green while the chromosomes are labelled in red. Apr 3, 2017