THERE is an increasing tendency on the part of organic chemists to apply the Berzelius dualistic theory, in a modified form, to organic compounds. In many theories of valency, individual groups are ...

Abstract: Hafnium-based ferroelectric (FE) thin films, prepared via atomic layer deposition (ALD), suffered from random oriented polar axis (PA), posing challenges and complexities for device scaling ...

Speaker National Assembly Sardar Ayaz Sadiq has reaffirmed Pakistan's commitment to a principled, non-aligned foreign policy. He expressed this commitment during his meeting with Hungarian President ...

Northern Canadians see U.S. President Donald Trump’s America as a greater threat to Canada’s Arctic security than Russia or China, as the region attracts greater attention from both polar and ...

McMurdo Dry Valleys is the driest spot; some areas haven't seen rain in millions of years. Chile's Atacama Desert is the driest non-polar region, used by NASA for Mars simulation. Cities like Aswan ...