'This resin, a natural polymer used as a varnish, is produced by insects in India and Myanmar'
shellac
SCIENCE: This resin, a natural polymer used as a varnish, is produced by insects in India and Myanmar
This resin, a natural polymer used as a varnish, is produced by insects in India and Myanmar
This resin, a natural polymer used as a varnish, is produced by insects in India and Myanmar
SCIENCE
shellac
SCIENCE