Janice Richman

7 Flips | 2 Magazines | 1 Follower | @JaniceRichm2014 | Keep up with Janice Richman on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Janice Richman”

New Look At Leonardo da Vinci Masterpiece Shows Even Geniuses Second-Guess Themselves

Leonardo da Vinci may have been a genius, but that doesn't mean he never second-guessed himself.<p>In a new book, optical engineer Pascal Cotte explains how a new imaging technology known as the layer amplification method (LAM) helped show that Leonardo painted two previous versions of his "Lady with …

The secret to acing exams

In tests that offer a choice of answers, you can exploit hidden patterns to get full marks if you know how, says William Poundstone.<p>Our fates in school and beyond are decided by pop quizzes, final exams, drivers’ exams, and professional exams. Many are true-or-false, or multiple-choice. If you get …

The women with superhuman vision

A tiny group of people can see ‘invisible’ colours that no-one else can perceive, discovers David Robson. How do they do it?<p>As Concetta Antico took her pupils to the park for an art lesson, she would often question them about the many shades she saw flashing before her eyes. “I’d say, ‘Look at the …

University of California

The expert guide to space colonies

BBC Future’s World-Changing Ideas Summit, on 21 October, will examine some of the most exciting and provocative developments we face in science, technology and health. In the run-up to the summit, we will offer a unique guide to some of the issues that will be discussed… starting with the notion …

What’s the birthstone for October?

Happy birthday October babies! Your birth month has two birthstones – opal and tourmaline.<p><b>Opal</b><p>The opal is a fragile hydrated silica material, made of …

How many eclipses in 1 calendar year?

Every calendar year has at least 4, but 5, 6 or even 7 eclipses are also possible. Why don’t we see them all?<p>Eclipses of the sun and moon excite more …

Dates of lunar and solar eclipses in 2017

Dates of all solar and lunar eclipses this year, plus a preview of the great American total solar eclipse of 2017.<p>The next eclipse comes on the night …