A mathematical model has been constructed to analyze the effect of Beijing’s odd-and-even license plate rule. The results concur with previous studies: it works somewhat in the short-term, but inadequate in the long run.
Why are people so stubborn in their beliefs? Why do people, when confronted with someone who disagrees with them, so often double-down in their arguments? A Yale scientist may have some answers — with surprising findings on who are the worst culprits.
More than 83 percent of chemicals have no safety information. Most businesses don’t design them for safety, and the government doesn’t test most of them for safety. Yet thousands of chemicals are in our water and soil, potentially causing human harm and costing billions to cleanup. How can we tell if new chemicals will cause damage to humans before they are made?
The world has long attributed Tibetan wisdom to the Buddhist monks and their teachings, but largely ignored the wisdom of the nomads. Recently, scientists have proven that traditional grazing practiced by these nomads are crucial for Tibetan rangelands, promoting plant diversity and nectar production.
While lion populations in West, Central, and East Africa have all been declining at alarming rates, one study finds that lion populations in fenced reserves, specifically in South Africa, have actually been on the rise.
Household air pollution and contaminated drinking water are the two leading causes of death among children under the age of five in Rwanda. A recent study investigated the effectiveness of using cookstoves and water filters to improve children's health.
Shale gas and oil production have been associated with earthquakes in several parts of the world. New research shows that in the United Kingdom, human activities have caused earthquakes in the past and more fracking will likely increase the frequency of earthquakes.