city Sanford crisis Coronavirus city Sanford

Keeping coronavirus from spreading in schools, why leaves fall when they do, and a book on how nature deals with crisis

Reading now: 434
www.sciencemag.org

what was learned in spring about how coronavirus spreads in schools that might help keep children safe as cases surge once again.Also this week: What makes leaves fall off deciduous trees when they do—is it the short, cold nights?

Or is the timing of so-called “leaf senescence” linked to when spring happens? Sarah talked to Constantin Zohner, a lead scientist at the Institute of Integrative Biology at ETH Zurich, about his tree leaf timing study.

Sarah also spoke with commentary author Christy Rollinson, a forest ecologist at the Morton Arboretum, about how important these trees and the timing of their leaf drop is for climate change.In the books segment, host Kiki Sanford talks with Ruth DeFries about her book, What Would Nature Do?

Read more on sciencemag.org
The website covid-19.rehab is an aggregator of news from open sources. The source is indicated at the beginning and at the end of the announcement. You can send a complaint on the news if you find it unreliable.

Related News

Gotabaya Rajapaksa - The economy is recovering, says President during meeting with professionals - newsfirst.lk
newsfirst.lk
41%
357
The economy is recovering, says President during meeting with professionals
COLOMBO (News 1st); President Gotabaya Rajapaksa said that the nature or extent of the challenges will not matter in fulfilling the promises made to the people.He noted that development activities continue in the country while taking necessary steps to control the COVID-19 pandemic.The President also pointed out that the economy, which had been collapsed for nearly two years, is gradually recovering.The President made these remarks participating in the first round of discussions in a series of sessions with professionals representing various fields, held at the President’s House on Friday (11).The professionals who participated in the discussion said that they are further committed to make the national programme a success by giving the necessary strength to achieve the goals desired by the President, said a statement.The professionals vehemently rejected the allegations spread by some sections with the objective of achieving narrow political agendas, the statement added.Experts in the field said that the new approach to agriculture initiated by the President is being continuously supported by the researchers and entrepreneurs who are engaged full time in these fields, further noted the statement.Representatives from a wide range of fields, including education, policy, sociology, agriculture, research, water and renewable energy, medical, engineering and innovation, were present at the discussion with the President.Ministers, State Ministers, Members of Parliament, the Governor of the Central Bank, the Secretary to the President, the Principal Advisor to the President and many others were also present.
DMCA