Tag Archives: nature

South Africa: Low Levels of Genetic Diversity Are Putting Great White Sharks At Risk

By Sara Andreotti, Stellenbosch University | 29 November 2015 Despite international protection, great white sharks face several threats. These include reduction of their food supply, pollution, baited hooks and lethal gill nets used as beach protection measures. The cryptic nature of white sharks makes them challenging to study. And it is difficult to protect a species we don’t know much about. But new research has now added another piece of the puzzle towards understanding these …

Discovery of long-sought biological compass claimed

… sense magnetism. It might also become an invaluable tool for using magnetic fields to control cells, report researchers led by biophysicist Xie Can at Peking University in Beijing, in a paper published on 16 November in nature Materials (S. Qin et al. nature Mater., 2015). “It’s an extraordinary paper,” says Peter Hore, a biochemist at the University of Oxford, UK. But Xie’s team has not shown that the complex actually behaves as a biocompass inside living cells, nor explained exactly …

Farmers hold key to survival of threatened bird species, says RSPB 

… risk. The International Union for Conservation of nature this week added turtle doves and lapwings to its red list of endangered birds. Meanwhile the government’s farmland bird indicator reveals a 2% increase in farmland birds in 2014 – although there has been a decline of over 50% since the 1970s. To continue reading this article, please click on the link below: Source: Farmers hold key to survival of threatened bird species, says RSPB | Western Morning News …

Predator Defenses Backfired: Poisonous Frogs Face Higher Risk Of Extinction, Researchers Say 

… “radiating”) their range, and increase the number of species to avoid an increasing rate of extinction, the release noted. To continue reading this article, please click on the link below: Source: Predator Defenses Backfired: Poisonous Frogs Face Higher Risk Of Extinction, Researchers Say : News : nature World News …