BBC8 个月
The nitrogen cycle, minerals and eutrophication (CCEA)Test questions
Fieldwork and competition (CCEA) Ecological relationships and energy flow (CCEA) The carbon cycle and decomposition (CCEA) Global warming, human activity and biodiversity (CCEA) ...
Earth.com11 天
Nitrogen was plentiful for early life on Earth
New research reveals that hydrothermal vents provided early Earth with abundant nitrogen, challenging previous theories.
Hackaday3 年
Liquid Nitrogen Isn’t Suitable For Steam Engines
Liquid nitrogen is fun stuff to play with ... Testing this out had amusing results. The device under test is a Hero’s Engine, otherwise known as an aeolipile. This consists of a hollow sphere ...
The Cool Down on MSN3 天
Appliance expert showcases performance of high-tech stovetop in head-to-head test: 'In a ...
"An ongoing debate among home cooks is whether gas or induction stoves are better." Appliance expert showcases performance of ...
NOLA.com10 天
Louisiana's execution protocol unsealed. New detailed plans to use nitrogen gas released.
Jeff Landry agreed last year to add nitrogen gas and electrocution to lethal injection as approved execution methods, they ...
NOLA.com9 天
Jessie Hoffman, set to be executed in March, challenges Louisiana's use of nitrogen gas
Death row inmate Jessie Hoffman said he has leaned on what he's learned through Buddhism to help him improve his life, ...
India Today on MSN9 天
Watch: Blue Ghost sucks lunar regolith to test the condition of Moon's soil
One of the notable successes is the Lunar PlanetVac, which has successfully collected, transferred, and sorted lunar soil ...