Magnetic pole reversals, viruses hunt bacteria, solar powered microflyers, trans people and sexual health, the music of endangered birds and why elliptical orbits?
When the magnetic poles flip out, Earth seems to suffer; Bacteria-hunting viruses can track down antibiotic resistant bugs where they hide; Levitating solar-powered micro flyers may fly high where planes and rockets can't; HIV testing study of trans people in the UK reveals health care gaps; Music inspired by endangered bird calls brings focus on conservation and creativity; If the sun is round, why are the planets in elliptical orbits?