Scientists examining shark and ray populations across the globe have published an alarming study depicting a rapid decline of these species over the past half century, with the blame mostly resting at the feet of unsustainable fishing practices.
Scientists at the University of Exeter have turned to Twitter for a better picture of the effect ocean plastics are having on sharks and rays. Summing these reports, they identified more than 1,000 individual sharks and rays seen entangled in ocean waste.
A big challenge humanity faces in venturing off Earth and into deep space is how to tackle the dangers of cosmic radiation. A team has now discovered a drug treatment that could not only prevent cognitive deficits caused by this radiation, but actually repair damage in the brain after exposure.