The appearance of flowering plants on Earth, and their rapid dissemination during the Cretaceous can be attributed to their capacity to transform the world to their own needs, according to a new perspective on their evolution. Flowering plants changed conditions during this period to suit themselves. They provide an entirely new explanation for what Darwin [...]
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A new study identifies a group of individuals at increased risk for developing colon cancer and holds the promise for developing new tailored cancer treatments.
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New articles document some of the multiple causes of food insecurity. Topics include desertification, flooding, adaptation of remote communities to modern technology, seasonality of food crops and the corresponding dearth between harvests, lack of iron in traditionally consumed food, resulting in anaemia, and taboos that inhibit people from supplementing their diets with nutritious wild fruits [...]
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When faced with patients suffering a heart attack, doctors have two choices: fibrinolytic therapy or primary percutaneous coronary intervention. Guidelines for treating heart attacks are generally based on clinical trials that do not take “real-life” conditions into account. The latest study analyzes these gaps and provides potential solutions to improve treatment of heart attack.
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A new statistical analysis technique that identifies and removes systematic bias, noise and equipment-based artifacts from experimental data could lead to more precise and reliable measurement of nanomaterials and nanostructures likely to have future industrial applications.
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Researchers have found that couples who live together before they are engaged have a higher chance of getting divorced than those who wait until they are married to live together, or at least wait until they are engaged. In addition, couples who lived together before engagement and then married, reported a lower satisfaction in their [...]
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Forget the old folk tales about snakes hypnotizing their prey. The tentacled snake from South East Asia has developed a more effective technique. The small water snake has found a way to startle its prey so that the fish turn toward the snake’s head to flee instead of turning away.
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Patients with multiple sclerosis who smoke appear to experience a more rapid progression of their disease, according to a new report.
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Rising levels of smokestack emissions from oceangoing ships will cause an estimated 87,000 deaths worldwide each year by 2012 — almost one-third higher than previously believed, according to the second major study on that topic. The study says that government action to reduce sulfur emissions from shipping fuel (the source of air pollution linked to [...]
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A new test examining chromosomes in human eggs a few hours after fertilization can identify those that are capable of forming a healthy baby. The scientists have already enabled seven ongoing pregnancies in a group of older women with a history of multiple failed IVF attempts.