Wales has some pioneering research and practice in a range of areas, including health, chemistry, ecology, physics, electronics, manufacturing and many others.
Mae gan Gymru waith ymchwil ac ymarfer arloesol mewn amrywiaeth o feysydd, gan gynnwys iechyd, cemeg, ecoleg, ffiseg, electroneg, gweithgynhyrchu a llawer mwy.