Gamma-ray bursts (GRBs) are the most powerful explosions so far observed in the universe since the big bang. They are a frequent phenomenon (approximately an explosion per day) and can be observed in all sky directions (isotropic). Gamma-ray bursts can not be seen from Earth because gamma and X rays are absorbed by the atmosphere.
New research show wallabies are low "emitters" of methane - unlike cows - and instead produce another chemical during digestion.
Filmed at Cleland Wildlife Park, Adelaide, Australia.
Discussed here by Professor Martyn Poliakoff and Sixty Symbols' Professor Phil Moriarty.
A cartoon to explain antimatter.
Less than 10% of plastic trash is recycled, compared to almost 90% of metals, because of the massively complicated problem of finding and sorting the different kinds. Frustrated by this waste, Mike Biddle has developed a cheap and incredibly energy efficient plant that can, and does, recycle any kind of plastic.
The European Commission's proposal will be made public only at the end of next November. However, Nature magazine was recently able to anticipate the main news that, according to the “Bruxelles government”, will form part of Horizon 2020, the European financing program for research that, as from 2014 up to 2020, will substitute the FP7, the Seventh Framework Program which expires in 2013.
