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Mass coral bleaching in 2014 left the Coral Reef Monitoring Program monitoring site at Cheeca Rocks off the Florida Keys a blanket of white. NOAA

Corals are starting to bleach as global ocean temperatures hit record highs

Water temperatures in the 90s off Florida in July are alarming, a NOAA coral scientist writes. Scientists in several North American countries have already spotted coral bleaching off their coasts.
Ceremonial cape designs by Mexica (Aztec) artists who created the Codex Magliabechiano in the mid-1500s. Tonatiu (left) represents the sun deity and ‘ataduras’ (right) depicts bindings. The Book of the Life of Ancient Mexicans, Z. Nuttall (1903)

Coronavirus: Europeans introduced devastating novel diseases to the Indigenous Americas – here’s what the survivors learned

When colonisers invaded the Americas, they brought with them waves of new diseases. This legacy continues to impact Indigenous communities.

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