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Ask Ethan: Has the USA become a fascist nation in 2025?

Ask Ethan: Has the USA become a fascist nation in 2025?

Fascism was a powerful, evil force in the 20th century, notably in Italy, Germany, and Spain. Is the USA repeating history here in 2025?
Go to the profile of Ethan Siegel
Ethan Siegel
The Universe is not symmetric

The Universe is not symmetric

The laws of physics obey certain symmetries and defy others. It’s theoretically tempting to add new ones, but reality doesn’t agree.
Go to the profile of Ethan Siegel
Ethan Siegel
What to know about vaccines in the do-your-own-research era

What to know about vaccines in the do-your-own-research era

For centuries, vaccines have been the top life-saving, expert medical intervention known to humans. How can individuals make the right…
Go to the profile of Ethan Siegel
Ethan Siegel
The most “boring” part of cosmic history shaped our modern Universe

The most “boring” part of cosmic history shaped our modern Universe

It took nearly 400,000 years, after the Big Bang, to first form neutral atoms. The imprints from that early time can now be seen…
Go to the profile of Ethan Siegel
Ethan Siegel
JWST’s most ambitious view is now available to everyone

JWST’s most ambitious view is now available to everyone

The COSMOS-Web survey is now complete, combining JWST and Hubble infrared data. Its spectacular views show us the Universe as never before.
Go to the profile of Ethan Siegel
Ethan Siegel
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