Taxonomy term

seal

Marine mammals blamed for first New World tuberculosis

When Europeans arrived in the Americas they introduced an array of new infectious diseases that decimated the native populations. Now, a new genetics-based study published in Nature shows that the emergence of tuberculosis in Peru seems to have predated the arrival of the Spanish — and that seals and sea lions may be to blame instead for the ancient infections.

13 Jan 2015

Parasites spread across the Arctic under the 'new normal'

The last several decades have seen Arctic sea-ice minimums drop by more than half in sea-ice area and more than three-quarters in volume. With current models expecting further reductions, scientists are calling it the “new normal” and are trying to grasp its implications — one of which is the occurrence of pathogens never before seen in the Arctic.

02 Jul 2014

Seal missing link found in the Arctic

A newly discovered web-footed mammal may be a “missing link” between land-based and marine pinnipeds, a group that includes seals, walruses and sea lions. The find, occurring on the 150th anniversary of Charles Darwin’s "On the Origin of Species," may shed new light on the land-to-sea animal evolutionary theory.

24 Apr 2009