9. The Global Tipping Points Report 2025, released by 160 international scientists, warns thatEarth has reached its first climate tipping point, with rising temperatures threatening coral reefs.

Abstract The theory of quantum states over time extends the density operator formalism into the temporal domain, providing a unified treatment of ...

Measuring a system's gain and phase vs frequency need not be time-consuming; an FFT calculation based on the system's response to a single impulse provides the same information. Although some DSOs ...

According to a recent poll by Gallup.com, 59% of Americans believe that the amount they pay in income taxes is fair. The survey was based on a sample 1017 American adults. If the pollsters talked to ...

DeepSeek has expanded its R1 whitepaper by 60 pages to disclose training secrets, clearing the path for a rumored V4 coding ...

Clay Halton was a Business Editor at Investopedia and has been working in the finance publishing field for more than five years. He also writes and edits personal finance content, with a focus on ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

The legislative session that began this week poses a significant test of the most closely watched collaboration in state and city politics. By Benjamin Oreskes and Grace Ashford Moving Nicolás Maduro, ...

The department is unlikely to get the benefit of the doubt for its handling of the recent Epstein-files release. Donald Trump is slapping his name and face on everything he can, but America’s ...

As protests swelled around the country, Iran’s internet was shut down, and the heads of its judiciary and its security services warned of a harsh response amid calls for “freedom, freedom.” By Farnaz ...

The Peabody Award-winning On the Media podcast is your guide to examining how the media sausage is made. Hosts Brooke Gladstone and Micah Loewinger examine threats to free speech and government ...

The first study from GreenDrill—a project co-led by the University at Buffalo to collect rocks and sediment buried beneath the Greenland Ice Sheet—has found that the Prudhoe Dome ice cap was ...