Britain is one of the most racially tolerant countries on the planet, a survey claims. The global social attitudes study claims that the most racially intolerant populations are all in the developing world, with Jordan and India in the top five.
Based on decades of accumulated evidence, the scientific community supports Margulis's ideas: endosymbiosis is the best explanation for the evolution of the eukaryotic cell. What's more, the evidence for endosymbiosis applies not only to mitochondria, but to other cellular organelles as well. Chloroplasts are like tiny green factories within plant cells that help convert energy from sunlight into sugars, and they have many similarities to mitochondria.
Research presented at the 51st Annual Meeting of the American Society of Hematology reveals that the practice of using the anticoagulants aspirin and heparin with the hope of preventing clots in placental blood vessels is ineffective for preventing unexplained, recurrent miscarriages.