While the high is only expected to reach -13 on Wednesday -- just two degrees shy of the 120-year-old record -- climate data show cold snaps like this are far less common than they were a generation ago.
Anything scientists learn about regeneration by studying a relatively simple creature, like a planarian, can hold important clues.
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There’s not a simple rule in identifying edible mushrooms. You need to know the thing that you’re holding and give it a name, and then you can understand if it’s edible or not.
Hurricanes need some critical components to develop. They need a lot of water, and they also form near the tropics because they need a lot of sunlight.
To learn from a virtual body, it would need to be able to accurately simulate or predict how the body responds to internal and external changes.
Some species are simply more rare than others and don’t occur in very large numbers. But usually there is some factor that has driven a population to even greater rarity.
Stars such as our sun are formed in very large dark clouds. These dark clouds are molecular clouds made primarily of hydrogen and carbon monoxide.
One reason the moon has craters is because it gets hit by objects from space. It also has craters because in its past it had volcanoes, and volcanoes can create craters.
In order for your brain to think, you need nerve cells that can detect information about the outside world and can transmit that information to other nerve cells.
We could send humans to Mars whenever we want. We have the technology to do it today, though we would need to build new rockets that use that technology.
Before the last glaciation, which started about 30,000 years ago, there was a deep river valley that ran under where Lake Mendota and the other Madison lakes are now.
Learning as much as possible about works of art, whether it be an oil painting or sculpture or textile, can help conservators determine the best ways to protect and preserve these historical objects.