[quick news] on May 4, 2018, the US Environmental Protection Agency said it would dispute the definition of firewood as "carbon neutral" fuel

The U.S Environmental Protection Agency said it would define firewood as "carbon neutral" fuel in a heated and long-term climate debate The director of the U.S Environmental Protection Agency (EPA), based in Washington, D.C., said recently that the agency would define firewood as "carbon neutral" fuel for multiple regulatory purposes According to the Washington Post, EPA administrator Scott Pruitt said at a meeting in Cochrane, Georgia that the statement "informed us forest officials of the certainty and clarity of carbon neutralization in forest biomass that they urgently need to know." But many environmental groups and energy experts have condemned the move, arguing that the scientific question of whether firewood is a climate friendly fuel is far from clear Http:// scientists used two kinds of stem cells to synthesize embryos A study published in nature used two different kinds of mouse stem cells to merge and put them in a culture dish As a result, stem cells grew into early embryos This "cloning" study can create unlimited identical embryos and is expected to reveal the biggest cause of infertility Lead researcher Professor Nicholas rivron said the study could create mice without sperm and eggs in three years, but it would take decades for them to be used in humans Http:// "nature" ushered in the first female editor in chief for 150 years After a long selection, Dr Magdalena skipper, current editor in chief of nature communications, was appointed as the new editor in chief of nature Dr skipper will become the eighth editor in chief of nature since its inception 149 years ago and the first woman in the magazine's nearly 150 year history to do so On July 1, 2018, she will officially replace the current editor in chief, Sir Philip Campbell, who will assume the newly established post of editor in chief of Springer nature Https://w w w.nature.com/articles/d41586-018-05060-w the Shaw Foundation donated 500 million yuan to support Peking University's life science frontier research on May 3 The donation ceremony of the Shaw foundation to Peking University and the naming ceremony of the Shaw building were held in Diaoyutai State Guesthouse Shao Foundation (Hong Kong) Co., Ltd announced to donate 500 million yuan to establish the Shao run education fund of Peking University, to support the construction and development of Peking University's life science frontier research institutions, and to help Peking University step into the forefront of world-class universities Http://news.scienceet.cn/htmlnews/2018/5/411218.shtm Nobel laureate Nakamura Xiuer is employed as honorary professor of Northwest University On the evening of May 2, 2014, the Nobel Prize winner in physics, Professor of materials department, University of California Santa Barbara, visited the third lecture of "Nobel Prize forum" of Northwest University, and made "invention of efficient blue LED and failure of solid-state lighting" for more than 600 teachers and students from Northwest University, Xi'an University of Posts and telecommunications, Xi'an University of engineering and affiliated high school of Northwest University "And shared his research and development path Prior to the report, Guo Lihong, President of Northwest University, issued the certificate of "honorary professor of Northwest University" and Lantian jade seal to Xiuer Nakamura http://news.sciencenet.cn/htmlnews/2018/5/411171.shtm