Daily Activity Summary for April 21, 2015
These are the results of my activities* for April 21, 2015: Total steps: 6558 Calories burned: 2225 Traveled: […]
Daily Archives: April 21, 2015
Digging Up the Root of Carbon Dating
By NICHOLAS BAKALAR The discovery of the principle behind carbon dating was reported in The New York Times […]
‘Finding Zero’: A Long Journey for Naught
By AMIR ALEXANDER The quest for how the key to our counting system originated winds through the worlds […]
Vampire Squid Outlast Their Shallower Peers
By SINDYA N. BHANOO A mysterious creature lives in the deep sea at depths of about 3,000 feet […]
How a Cracking Knuckle Makes a Noise
By SINDYA N. BHANOO The sound of a knuckle cracking is caused by a gas cavity forming between […]
Dark Matter’s Deep Reach
By GEORGE JOHNSON Theorists suggest surprising connections between earthly hazards and the hypothetical particles that hold together the […]
Marijuana and the Body
By C. CLAIBORNE RAY Leaving aside questions of addiction and brain effects, what is known about the effects […]
Silicon Valley’s Water Conservation Conundrum
By JOHN MARKOFF Entrepreneurs, daunted by the long development cycle of clean tech, seem more interested in new […]
Our Ever Green World
By NATALIE ANGIER Humans are innately sensitive to a color that pervades nature and prompts a variety of […]
Batteries and Renewable Energy Set to Grow Together
By HENRY FOUNTAIN As sun and wind become bigger parts of the electricity mix, scientists are pushing to […]