LifeLong-lost sailback shark rediscovered after more than 50 years The rare sailback houndshark, which has an unusually large dorsal fin, was first described by scientists in 1973. That was the last record of its existence, until now ¿ìè¶ÌÊÓÆµ
TechnologyUS military wants to secure the internet by making it more quantum The US Defense Advanced Research Projects Agency (DARPA) has assembled a team of researchers to make communication networks more secure by injecting them with quantumness ¿ìè¶ÌÊÓÆµ