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Showing results 11-21 of 37 for 'Plants'

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    Science Tips, July 2013

    Three updates from the Weizmann Institute: teaching nanowires to assemble themselves, which could improve devices such as lasers and solar cells; outlining the 10-stage pathway that turns cholesterol into a dangerous toxin in potatoes; identifying the traffic-pattern-like nature of gene transcription could lead to a new generation of drugs.

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    Weizmann Professor Finds Merit in Papal Document on Climate Change

    Renowned plant scientist and Professor Emeritus Jonathan Gressel spoke to the St. Louis Jewish Light about parasitic weeds, greenhouse gases, and the Pope's encyclical on climate change. Supporting the Pope's statement that manmade climate change is a global threat, Prof. Gressel says frankly: “there will be more global warming.”

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    StrigAway Puts a Hex on Witchweed

    Striga – aka witchweed – infests more than 405 million acres of sub-Saharan land, causing African farmers to lose up to 100% of their crops, resulting in widespread hunger and financial hardship. StrigAway, an herbicide developed by a group that includes the Weizmann Institute, keeps the weed from attaching to the plant – and improves life for around 100 million people.

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    Not by Bread Alone: Neolithic People in Israel First to Farm Fava Beans, 10,000 Years Ago

    A Weizmann archaeobotanist and nuclear physicist identified the 10,200-year-old remains of cultivated fava beans in Israel. As Haaretz reports, this helps explain how humans settled down and became farmers, “ultimately leading to the rise of complex civilizations.” It could also help develop beans better able to cope with climatic extremes.

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    “Kitchen Heroes” to the Rescue of Limp Lettuce, Sad Strawberries

    In a world where many go hungry, it is distressing to learn that about 40% of food produced in the U.S. is thrown out – particularly fruit and vegetables, which decay quickly. As The Times of Israel reports, an Israeli startup aims to change that with a natural system – the result of 12 years of research, including at Weizmann – that keeps your perishables fresh.

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    Science Seeks to Unlock Marijuana's Secrets

    Historian and journalist Hampton Sides writes in National Geographic about marijuana's resurgence as a medicine. “The science of cannabis is experiencing a rebirth,” and this science begins with Prof. Raphael Mechoulam. Sides interviews the revolutionary Prof. Mechoulam, who discovered the active ingredient THC while at Weizmann in 1963.

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    Marine Green Slime to Save the Planet

    Weizmann's Dr. Assaf Vardi led a team of more than 30 scientists on a trip to the North Atlantic to study phytoplankton. These tiny algae are crucial to Earth's ecology and are key to climate regulation; in fact, they play an ancient and outsized role in our environment.

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    Bacteria Engineered to Make Sugar From Carbon Dioxide and Feed World

    All forms of life “fix” carbon: adding energy to CO2 to, as The Jerusalem Post reports, “turn it into the sugars that are the required starting point needed for life processes.” Prof. Ron Milo has engineered bacteria to improve carbon fixation, which could help meet the need to supply more food to more people, while using less fossil fuel and taking up less land.