The Canadian Museum of Nature is calling on Canadians to vote for a national lichen — and lichen-loving scientist Troy McMullin says we should all pay a little more respect to the "small but spectacular" champs of nature.
The Canadian Museum of Nature is calling on Canadians to vote for a national lichen — and lichen-loving scientist Troy McMullin says we should all pay a little more respect to the "small but spectacular" champs of nature.