A fresh study suggests that some of humanity’s earliest “geometric thinking” wasn’t scratched onto cave walls, but etched into ostrich eggshells used by Ice Age people in southern Africa. By measuring ...

The addition rule for probabilities determines the chance of either mutually exclusive or overlapping events happening, using ...

The paper, published recently in PLOS One, describes an investigation of 112 ostrich eggshell fragments dating back more than ...

Archaeologists report that 60,000-year-old ostrich eggshell engravings reveal humanity’s earliest known use of geometry.

The political debate around Vande Mataram cannot be understood without revisiting Anandamath, the 1882 novel by Bankim ...

A estate attorney calls recent changes the "worst thing to happen in inheritance law in California in decades." What to ...

A Chronicle reader approaching retirement in the Bay Area wants to know how the "$1 million rule" should factor into ...

Why do some melodies feel instantly right, balanced, memorable and satisfying, even if you have never heard them before? New research from the University of Waterloo suggests that more than creativity ...

After building an AI prototype in six hours, John Winsor turned it into a full platform in two weeks—showing how AI is collapsing the gap between vision and execution.

Artificial intelligence has attained an impressive series of feats—solving problems from the International Math Olympiad, conducting encyclopedic surveys of academic literature, and even finding ...

You've undoubtedly heard that retirement is likely to be more expensive than you expect. While it's good to know, it may also make you wonder how in the world you're supposed to plan for retirement.

The “4% rule” isn’t one rule — fixed percentage, fixed dollar, and inflation-adjusted withdrawals behave very differently in real markets. Ramsey’s 8% claim assumes flexible spending, not ...