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56 results for Plants

Fight Climate Change: Plant a Tree
Fight Climate Change: Plant a Tree

https://weizmann-usa.org/blog/fight-climate-change-plant-a-tree/

Mar 02, 2020... Our new world order is particularly brutal for trees. Between climate change and economic greed, these lifegiving – and lifesaving – plants are not doing so well.
Besides well-known, large-scale devastations such as wildfires and deforestation (particularly of the Amazon, whose mighty forests are the reason the region is called – for now, anyway – the lungs of the planet), incremental changes are wreaking quieter, though no less devastating, impacts; for example, species native to the American South can no longer survive the warmer climate and so are spreading into cooler Northern climes. Behind them comes desertification.

TAGS: Culture, Environment, Climate change, Plants

New Year of the Trees
New Year of the Trees

https://weizmann-usa.org/blog/new-year-of-the-trees/

Feb 05, 2018... Just one view of the mighty and diverse trees on the Weizmann Institute campus. Credit: Matthew Roberts
All species of holidays get absorbed into the culture at large – and one that you might want to start celebrating is the Jewish holiday of Tu B’Shvat: New Year of the Trees.
After all, what would life be without trees? Besides likely nonexistent, since we need them for food, wood, climate regulation, ecosystem creation and maintenance, etc., it would be awfully bleak. Who hasn’t gone dreamy in drifts of cherry blossoms, or been grateful for the shade of an oak in August, or gained perspective among giant redwoods, or realized that an apple straight from the tree was the best thing you’ve ever tasted?

TAGS: Culture, Environment, Plants, Earth

Nourishing the Future With Plants
Nourishing the Future With Plants

https://weizmann-usa.org/blog/nourishing-the-future-with-plants/

Aug 21, 2018... Soy superhero: Asaph Aharoni is developing a soybean plant that is easy to grow, has all seven dairy proteins, is lactose- and cholesterol-free … and can help fight malnutrition in impoverished areas, too.
Evolution is all around us … and in us. Just one of the many proofs: lactose tolerance.
We are practically drowning in dairy products, and most of us consume them – even if we shouldn’t. Until fairly recently – “only about 20,000 years — the evolutionary equivalent of a hot minute,” as an NPR story puts it – human digestive systems could not tolerate lactose, the primary sugar in milk, after infancy. Furthermore, until the late 19th century, milk was regarded as a child’s food and was not the household dietary staple it is today.

TAGS: Culture, Environment, Plants, Biology, Nutrition, World hunger

Plant Power: Algae as Alternative Energy
Plant Power: Algae as Alternative Energy

https://weizmann-usa.org/news-media/feature-stories/plant-power-algae-as-alternative-energy/

Jan 04, 2011... Prof. Avihai Danon of the Weizmann Institute of Science's Department of Plant Sciences has been working with algae—simple, photosynthetic life forms that can be found all over the world—for more than 20 years. Algae are diverse, having many thousands of species, and adaptive, thriving in a variety of conditions; these attributes can teach scientists a lot and make algae, as Prof. Danon says, "a great model system to study." For example, in his research focusing on how they adapt to sunlight, Prof. Danon found that there is a very sophisticated level of regulation inside algae. "On the one hand, the plant utilizes sunlight for energy production through photosynthesis," a process that, while beneficial, must be very carefully calibrated because "on the other hand, it can kill the plant in seconds," he says. He likes to compare a plant's ability to perform photosynthesis to having an atomic reactor in your stomach: the reactor can provide you with free energy, but if it's not tightly controlled, then it can explode.

TAGS: Technology, Chemistry, Climate change, Plants, Biofuel

Science Tips, October 2014
Science Tips, October 2014

https://weizmann-usa.org/news-media/news-releases/science-tips-october-2014/

Oct 21, 2014... When we talk about global carbon fixation – pumping carbon out of the atmosphere and “fixing” it into organic molecules by photosynthesis – proper measurement is key to understanding the process. By some estimates, almost half of the world’s organic carbon is fixed by marine organisms called phytoplankton – single-celled photosynthetic organisms that account for less than one percent of the total photosynthetic biomass on Earth.

TAGS: Medicine, Climate change, Plants, Biochemistry, Biology, Bacteria

Weizmann Professor Finds Merit in Papal Document on Climate Change
Weizmann Professor Finds Merit in Papal Document on Climate Change

https://weizmann-usa.org/news-media/in-the-news/weizmann-professor-finds-merit-in-papal-document-on-climate-change/

Jul 02, 2015... Prof. Emeritus Jonathan Gressel
Professor Emeritus Jonathan Gressel of the Weizmann Institute of Science in Rehovot, Israel, said during a visit to St. Louis last week that he sees merit in the recently released papal encyclical by Pope Francis, which said man-made climate change is a major issue that must be addressed worldwide.
Gressel, a native of Cleveland who was born in 1936, earned his doctorate from the University of Wisconsin-Madison in 1962. He immigrated to Israel in 1950 and joined what is now the Department of Plant and Environmental Science at the Weizmann Institute of Science.

TAGS: Environment, Climate change, Plants, Humanity

Weizmann Institute Research: Large Semi-Arid Forests Could Cool the Planet
Weizmann Institute Research: Large Semi-Arid Forests Could Cool the Planet

https://weizmann-usa.org/news-media/in-the-news/weizmann-institute-research-large-semi-arid-forests-could-cool-the-planet/

Jan 31, 2018... Large-scale, semi-arid forests could cool the planet. (photo credit: WEIZMANN INSTITUTE OF SCIENCE)
Planting the “right kinds” of forests extensively in areas that have mostly been neglected in forestation efforts − semi-arid regions in Africa and Australia − could have a measurably positive influence on the climate and help offset a significant portion of human-induced global warming.
This was discovered recently by Weizmann Institute of Science researchers led by Prof. Dan Yakir of the earth and planetary sciences department who used an Israeli forest as a model. The research was published in the journal Scientific Reports.

TAGS: Environment, Climate change, Plants

Science Tips, July 2013
Science Tips, July 2013

https://weizmann-usa.org/news-media/news-releases/science-tips-july-2013/

Aug 01, 2013... Scanning electron microscope (SEM) image of a logic circuit based on 14 nanowires. From the work of Prof. Joselevich.
Researchers working with tiny components in nanoelectronics face a challenge similar to that of parents of small children: teaching them to manage on their own. The nano-components are so small that arranging them with external tools is impossible. The only solution is to create conditions in which they can be “trusted” to assemble themselves.

TAGS: Genetics, Plants, Biochemistry, Inflammation, Nanoscience, Enzymes

Weizmann in Focus, Episode 2: Plant Research for a Healthier Planet
Weizmann in Focus, Episode 2: Plant Research for a Healthier Planet

https://weizmann-usa.org/news-media/video-gallery/weizmann-in-focus-episode-2-plant-research-for-a-healthier-planet/

Feb 28, 2019... In the second episode of Weizmann in Focus, CEO Dave Doneson discusses how the Institute’s plant scientists are tackling the challenge of global food security. These innovative researchers are figuring out how plants can better resist drought, provide higher-quality nutrition, and more. Dave spotlights a breakthrough by Prof. Jonathan Gressel, who discovered a method of killing a parasitic weed that was destroying corn crops in sub-Saharan Africa.

TAGS: Community, Plants, Humanity, Nutrition, World hunger, Leadership

Wise Plant Analysis Identifies Healthy Metabolites
Wise Plant Analysis Identifies Healthy Metabolites

https://weizmann-usa.org/news-media/news-releases/wise-plant-analysis-identifies-healthy-metabolites/

Nov 30, 2016... Here’s a reason not to peel tomatoes: A new method of plant analysis, developed at the Weizmann Institute of Science, has identified healthful antioxidants in tomato skins. In fact, as reported recently in Nature Communications, the new method reveals that biologically active plant substances typically associated with particular plant species – including those providing health benefits – are much more prevalent across the plant kingdom than was previously thought.

TAGS: Plants, Biology, Nutrition, Metabolism

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