Ecology
Climatic Tipping Points for Tropical Forest and Sa..
Tropical tree cover will jump sharply between a forested state and savanna or treeless conditions rather than respond smoothly to climate change, according to a study by scientists from Wageningen University, published in Science.
The study shows that the resilience… read more
Plastic eating bacteria in the oceans
Huge plastic waste dumps float in the Oceans bigger than continents. Some 10% of world’s plastic waste finds its way into the sea and ends up in the central regions where slow moving circular currents trap debris into one large… read more
Israeli Air Force Pilots Dodge Migrating Storks
Israeli Air Force Fighter pilots fear collisions with birds more than any other enemy. Birders keep them safe.
Droves of migrating birds strike a remarkable sight as they swirl above head in flocks of some 5,000 birds at a time… read more
Nitrogen, problem or solution?
About 2 billion humans, a third of mankind, owe their lives to the discovery of the German chemist Fritz Haber in 1909: he found the way to turn nitrogen gas (which is in its non-reactive form nearly 80% of the… read more
Wolf hybrides are winners
When the wolf had been extrirpated from most of the USA his smaller relative took her chance. The coyote took over the role of toppredator. But for that one needs some wolf blood.
Not many animal species have been hunted… read more
