In retrospect, was "Limits to Growth" a fair or a false warning? We asked Keith Suter, a member of the Club of Rome since 1991, to talk about the club and that famous book. In 1999, the price of ...

For nearly 80 years, mathematicians have struggled to solve a classic geometry puzzle first posed by Paul Erdős in 1946: the planar unit distance problem. The question posed by the legendary Hungarian ...

The advent of next-generation sequencing has made possible genome analysis at previously unattainable depth. Roche, Illumina and Life Technologies, among others, have developed well-established ...

In mid-May, OpenAI announced that an internal AI model had disproved the Erdős unit distance conjecture, a famous problem in ...

Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. Any time you tap, swipe or dip a credit or debit card at checkout or enter your card number online, you ...

At Flinders University, scientists have cracked a cleaner and greener way to extract gold—not just from ore, but also from our mounting piles of e-waste. By using a compound normally found in pool ...

High-salt wash buffer: 500 mM NaCl, 0.1% SDS, 1% Triton X-100, 2 mM EDTA, 20 mM Tris-HCl (pH 8) LiCl wash buffer: 0.25 M LiCl, 1% NP-40 (or IGEPAL CA-360), 1% DOC, 1 mM EDTA, 10 mM Tris-HCl (pH 8) Low ...

There are many types of birth control. Some may fit better with your lifestyle or goals, but knowing which is most effective can help you make an informed choice. Birth control works best when used ...

Are you still puzzled by all those tweets adorned with grids of gray, yellow, and green boxes? Or have you finally tried Wordle? The daily word puzzle that's become a viral sensation thanks to its ...

The best system for you depends on what you’re trying to do — curb spending, pay down debt, build savings or something else. Use our tool to find your fit.