Ancient Sloths: 5-Ton Creatures Grew Monstrously Fast 🔗 网页链接 此科学报告 ：Complex body size trends in the evolution of sloths (Xenarthra: Pilosa) 🔗 网页链接 附有可下载PDF档案展开全文
[阳光] Largest Yellow Star Ever Seen Revealed in New Light (Video, Images) ~ HR 5171 A is 50 percent larger than the red supergiant Betelgeuse, and is more than 1,300 times the diameter of the sun.展开全文
[书籍介绍] Rana Mitter, "Forgotten Ally: China's World War II, 1937-1945" 《被遗忘的盟友》~ 一本由西方作者所著（用意在提醒西方读者）关于中国在二战与抗日战争中的贡献与牺牲。因为这段历史与史实在西方国家的历史教育里是空缺与遗漏的，为一般西方人士所不知不明不晓的。🔗 网页链接展开全文
GE bets big on composites ~ After decades of research, GE's ceramic matrix composite technology is set to come of age in the GE9X turbofan that will power the 777X 🔗 网页链接展开全文
Your Cellphone Could Be a Sonar Device ~ experts in École Polytechnique Fédérale de Lausanne (EPFL), in Switzerland, discovered a mathematical technique that allows echolocating with mobile phones. 🔗 网页链接展开全文 原微博
Booz Allen Hamilton: Edward Snowden's US contracting firm ~ $6bn company that employed the NSA whistleblower is closely connected to US intelligence community and its leaders. 🔗 网页链接展开全文
UN says US drones violate Pakistan's sovereignty ~ Pakistani government has confirmed at least 400 civilian deaths by U.S. drones on its territory. 🔗 网页链接展开全文
NASA to launch world's largest solar sail in 2014 ~ Mission will demonstrate value of 'propellantless propulsion' — using photons from sun to move. 🔗 网页链接展开全文
New questions about 1947 Roswell crash ~ Video: A taped confession from a government official who examined the alleged spacecraft wreck is causing UFO experts to re-examine the famous case. 🔗 网页链接展开全文
