A new NASA report shakes up lunar geology.
- The moon is indeed shrinking. It has been since it formed.
- The shrinking is producing thousands of fault lines.
- Archived seismometer data from Apollo missions show moonquakes.
The relentless sun makes life in the Sahara almost unbearable. But could it also be its greatest resource?
- If the Sahara Desert were a country, it would be the fifth largest in the world.
- Each square metre receives, on average, between 2,000 and 3,000 kilowatt hours of solar energy per year.
- There are two practical technologies at the moment to generate solar electricity within this context: concentrated solar power (CSP) and regular photovoltaic solar panels.
Geologists may have spotted evidence of the beginning stages of a subduction zone, a process that drives the movement of Earth's tectonic plates.
- Geologists have long puzzled over a flat, featureless region off the coast of Portugal that's been the location of several earthquakes.
- A team may have confirmed that a drip-shaped mass, buried 155 miles below the seafloor, might be responsible for the seismic activity.
- If confirmed, the drip-shaped anomaly also suggests that geologists have for the first time observed the early stages of a subduction zone.
‘Micro snails’ we scraped from sidewalk cracks help unlock details of ancient Earth’s biological evolution
Scientists discovered microbes that have lived on Earth for millions of years.
Every step you take, you're likely walking on a world of unseen and undescribed microbial diversity. And you don't need to head out into nature to find these usually unnoticed microscopic organisms.
You won't notice much of a difference unless you're north of the 55th parallel, though.
- Magnetic north has recently been moving north from Canada to Russia in a cold hurry.
- It's moving about 33 miles a year instead of the usual 7 miles.
- World navigation models had to updated ahead of schedule to catch up with it.
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