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These have only been observed indirectly (fossil footprints). It would seem to be more concrete to discuss things that are more directly...

Then at least some prime numbers are discovered--those that appear, for example, in the time periods of cicadas.

I disagree. We conceptualize it in a particular way, but evolution does what it does whether humans conceptualize it or not, and what it...

I don't think your usage is consistent with others in this thread--they appear to me to be using "group" in the direct mathematical...

What about the ways prime numbers show up in "natural" settings? For example, there are 13-year and 17-year cicadas. It is not a...

How are you defining a natural group?

The counter argument is that group theory was "invented". And that, although symmetries appear in nature, the concept of mathematically...

What was only Imaginary until recently, now is Real. That is, now I=R. Hence, an anagram of PUTIN is TRUNP.

Now we get freezing rain: Nikon D810 + 55mm micro nikkor @ f/11, 3s ISO 200. I timed it to capture a car driving by. The water...

All they did was show that you could put unoxygenated perfluorocarbon liquid in someone's butt for 60 minutes without undo harm. No...

Not so for the biological sciences, where understanding the "whys" leads to a better understanding of the organisms involved. Why does...

Microgravity reshapes bacteriophage–host coevolution aboard the International Space Station Abstract: This uses well developed...

I wonder how many covid lives this could have saved if such devices were mass produced. Seems rather simple, yet brilliant. I wonder if...