Loss of Large Predators Has Caused Widespread Disruption of Ecosystems
The decline of large predators and other “apex consumers” at the top of the food chain has disrupted ecosystems all over the planet, according to a review of recent findings conducted by an international team of scientists and published in the July 15 issue of Science. The study looked at research on a wide range of terrestrial, freshwater, More...
What Activates a Supermassive Black Hole? Even in the Jam-Packed Early Universe
A new study combining data from the European Southern Observatory’s Very Large Telescope and the European Space Agency’s XMM-Newton X-ray space observatory has turned up a surprise. Most of the huge More...
Swarms of Locusts Use Social Networking to Communicate
Social studies of Facebook and Twitter have been adapted to gain a greater understanding of the swarming behaviour of locusts. The enormous success of social networking sites has vividly illustrated the importance More...
Most Elliptical Galaxies Are ‘Like Spirals’
The majority of ‘elliptical’ galaxies are not spherical but disc-shaped, resembling spiral galaxies such as our own Milky Way with the gas and dust removed, new observations suggest. The results come More...
Brainy Lizards Pass Test for Birds
Tropical lizards may be slow. But they aren’t dumb. They can do problem-solving tasks just as well as birds and mammals, a new study shows. A Duke University experiment tested Puerto Rican anoles on several More...