Why do beavers build dams? - New Scientist
They do this by chewing through tree trunks with their huge teeth and building dams in streams, flooding large areas to create beaver ponds. ... the weight of the water pushes down on the dam ...
Beavers engineer their ecosystems in a way that helps moose and …
Jul 5, 2019 · Beavers are described as “ecosystem engineers” because their dam-building work has such a huge effect on habitats. Both the Eurasian beaver and the American beaver were almost driven extinct ...
The dam that should not be built: India is building the largest dam …
Jan 26, 1991 · At first sight, Tehri is a wonderful place to build a dam: a narrow Himalayan gorge at the end of a wide trough-shaped valley that could hold 3.5 cubic kilometres of water. Indian geologists ...
Himalayan dam-building threatens endemic species
Dec 21, 2012 · Himalayan dam-building threatens endemic species. By Sanjay Kumar. 21 December 2012 Dam-builder’s dream – shame about the wildlife (Image: Mark Williamson/OSF/Getty) The Himalayas, the world ...
Billion-dollar dams are making water shortages, not solving them
Jun 15, 2017 · Building more dams “might mitigate tomorrow’s climate change impacts for a certain group of people whilst putting others under pressure today,” she says. Journal reference: Nature ...
This bold, experimental slice of deep-space sci-fi is just brilliant
Nov 20, 2024 · In Adam Roberts's Lake of Darkness, two spaceships meet to study a black hole. Their research comes to an abrupt halt, however, when crew members start dying horribly, says Emily H. Wilson
Comment: Inheritance of the dammed - New Scientist
Oct 31, 1992 · The Aswan Dam, for example, stopped the Nile flooding but deprived Egypt of the fertile silt that the floods left – all in return for a giant reservoir of disease which is now
What is 'problematic smartphone use' and should we worry about it?
Aug 1, 2024 · The two pieces of work found an association with certain conditions. This means additional research is needed to ascertain if smartphone use can cause such health problems, says Nicola Kalk at ...
Simply the biggest: The great dam of China | New Scientist
Nov 19, 2014 · The 2-kilometre-long dam wall disappears into a cloud of smog. Somewhat fitting, given that our guide was telling only half the story anyway. This is the biggest dam in the world, but it also has ...
Microturbines can generate electricity from drinking water pipes
Jan 10, 2024 · The excess pressure in water pipes can be used to spin miniature hydroelectric turbines, providing an underutilised source of clean energy. Some envision a distributed network of small turbines ...