Satellite navigation has revolutionized how humans find their way. However, these systems often struggle in urban areas, where buildings can interfere with weak satellite signals. To counter this, a team has developed an alternative, satellite-free system, which could improve applications that require precise positioning in cities, such as self-driving cars.
*Research Article: *Koelemeij et al.)
*News and Views: *Phone signals can help you find your way in cities even without GPS)
How deforestation is the biggest threat to a rare lemur’s existence, and ultraviolet-activated molecules can kick-start plastic polymerization.
*Research Highlight: *This rare primate will not survive deforestation)
*Research Highlight: *Lights, chemical reaction! Plastics take shape with help from UV light)
We discuss some highlights from the Nature Briefing. This time, a survey reveals the challenges facing international postgraduate students, and the key takeaways from COP27.
*Nature Careers: *Obstacle race: the barriers facing graduates who study abroad)
*Nature News: *COP27 climate talks: what succeeded, what failed and what’s next)
*New York Times: *U.N. Climate Talks End With a Deal to Pay Poor Nations for Damage) Hosted on Acast. See acast.com/privacy) for more information.