Uber ties up with Hyundai *Uber Technologies Inc and automaker Hyundai Motor have teamed up to develop electric air taxis. *The partnership aims to make small self-flying cars to ease urban congestion. *the team is heading towards a goal of launching Uber Air by 2023 and urban air mobility service in 2028. *Hyundai is the first carmaker to join Uber's Air taxi project. ISRO sets its fourth RAC-S in Karnataka *ISRO has set up a regional academic center for space at the National Institute of Technology Karnataka(NITK) at Surathkal in Karnataka's southwest Dakshina Kannada district. *ISRO will provide Rs 2 core grant annually to NIT for the R&D projects and promotional activities through the year. *An agreement regarding this was signed between ISRO and NITK on 3 Jan 2020. Smallest galaxies with black holes found *Astronomers have discovered some smallest galaxies known to host massive black holes. *The study published in the Astrophysical Journal found 13 massi...