Xenopus are very sensitive to a pregnancy hormone -- human chorionic gonadotropin.

VOA: special.2010.06.29

Inside are battery-operated devices that are very sensitive to touch.

VOA: special.2010.11.26

Obviously,with a very strong message about fashion and sustainability, we need to be as sensitive to the environment in everything that we do."

VOA: standard.2010.01.31