Gareth Lawson, a biologist for the Woods Hole Oceanographic Institution, discusses how changing acidity of the oceans could affect tiny marine snails known as "sea butterflies." He was speaking to a group in Cambridge, Mass., on Jan. 6, 2015.
Gareth Lawson, a biologist for the Woods Hole Oceanographic Institution, discusses how changing acidity of the oceans could affect tiny marine snails known as "sea butterflies." He was speaking to a group in Cambridge, Mass., on Jan. 6, 2015. McClatchy
Gareth Lawson, a biologist for the Woods Hole Oceanographic Institution, discusses how changing acidity of the oceans could affect tiny marine snails known as "sea butterflies." He was speaking to a group in Cambridge, Mass., on Jan. 6, 2015. McClatchy

‘Sea butterflies’ are part of effort to better understand changing oceans

January 16, 2015 05:48 PM

UPDATED June 17, 2015 01:55 PM

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