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No two subway systems have the same design. New York City’s haphazard rail system differs markedly from the highly organized Moscow Metro (above), or the tangled spaghetti of Tokyo ’s subway network.
Archive for Category: "Personal Development News"
Whales Adjust Their Hearing Sensitivity
Have you ever wanted to turn down the volume at a deafening concert or noisy bar? Envy the whale: a new study finds that toothed whales can reduce their own auditory sensitivity when they expect a loud sound. The work is presented at this week’s Acoustics 2012 meeting.
The Football Concussion Crisis Part 1
NFL Hall of Famer Harry Carson joins former NBC anchor Stone Phillips and pathologist Bennet Omalu for a discussion of chronic traumatic encephalopathy among football players. [More]
The Mathematician’s Obesity Fallacy
As I write, this interview with mathematician Carson C.
Searching for the Onset of Autism
Diffusion tensor image shows white matter pathways in infant at risk for autism. Warmer colors represent higher fractional anisotropy, a measure of white-matter organization.
Car Commutes Can Counter Conditioning
The average American car commuter spends a total of about 50 minutes each day getting to and from work. Some spend hours stuck in heavy traffic.
Canceled: ‘Artificial Volcano’ Test for Geoengineering Climate
By Daniel Cressey of Nature magazine A field trial for a novel UK geoengineering experiment has been cancelled amid questions about a pre-existing patent application for some of the technology involved. The Stratospheric Particle Injection for Climate Engineering (SPICE) project is a collaboration among several UK universities and Cambridge-based Marshall Aerospace to investigate the possibility of spraying particles into the stratosphere to mitigate global warming.
Do Psychedelics Expand the Mind by Reducing Brain Activity?
What would you see if you could look inside a hallucinating brain? Despite decades of scientific investigation, we still lack a clear understanding of how hallucinogenic drugs such as LSD (lysergic acid diethylamide), mescaline, and psilocybin (the main active ingredient in magic mushrooms) work in the brain. Modern science has demonstrated that hallucinogens activate receptors for serotonin, one of the brain’s key chemical messengers
Native Buzz
Learn more about the nesting preferences, diversity and distribution of indigenous solitary bees and wasps, share this information and provide a forum for others interested in native beekeeping [More]
If Salt Lake City’s CO2 Emissions Can Be Monitored, Can China’s?
Negotiating an international agreement to fight climate change is hard enough. But for the past several years, scientists have warned that verifying whether countries meet their pledges to cut greenhouse gas emissions could be even harder. [More]
