New technologies today often involve electronic devices that are smaller and smarter than before. During the Middle Paleolithic[1], when Neanderthals were modern humans’ neighbors, new technologies meant something quite different: new kinds of stone tools that were smaller but could be used for many tasks and lasted for a long time.
Bird flu could be on the cusp of transmitting between humans − but there are ways to slow down viral evolution
Disease forecasts are like weather forecasts: We cannot predict the finer details of a particular outbreak or a particular storm, but we can often identify when these threats are emerging and prepare accordingly.
The viruses that cause avian influenza are potential threats to global health. Recent animal outbreaks[1] from a subtype called H5N1...
Why do dogs love to play with trash?
Curious Kids[1] is a series for children of all ages. If you have a question you’d like an expert to answer, send it to This email address is being protected from spambots. You need JavaScript enabled to view it. [2]. Why do dogs love to play with trash? – Sarah G٫ age 11٫ Seguin٫ Texas When I think about why dogs do something, I try to imagine what motivates them. What does a dog get
...Read more https://theconversation.com/why-do-dogs-love-to-play-with-trash-247081
Jets from powerful black holes can point astronomers toward where − and where not − to look for life in the universe
One of the most powerful objects in the universe is a radio quasar[1] – a spinning black hole spraying out highly energetic particles. Come too close to one, and you’d get sucked in by its gravitational pull, or burn up from the intense heat surrounding it. But ironically, studying black holes and their jets can give researchers...