Every year about 27.7 million tonnes of Saharan dust cross the Atlantic on the trade winds, and NASA’s CALIPSO satellite has traced it fertilising the Amazon with roughly the same quantity of phosphorus the rainforest loses to riversJuly 28, 2026
When a lightning return stroke heats a channel only centimetres wide to roughly 30,000 kelvin, about five times the temperature of the Sun’s visible surface, the air expands so violently that the pressure wave rolls across the ground as thunder Saving Tips July 28, 2026 A cloud-to-ground lightning return stroke can heat the air inside its narrow channel to roughly 30,000 kelvin, more than five…
In 2022, NASA engineers in Pasadena watched a new image come down from Perseverance and saw a small heap of broken rocks resting on the Martian surface in a pattern that looked almost intentional, and the explanation they eventually offered involved a vanished river that has not flowed in three billion years. Saving Tips May 26, 2026 Perseverance landed in Jezero Crater on February 18, 2021, in a basin that scientists believe held a lake roughly 3.5…
Grading Meta’s Severance Package Offer: Strong On The Surface Personal Finance April 26, 2026 If you’re one of the 8,000 Meta employees getting laid off in May, the difference between a good and great…
