Summary:
- Astronomers have discovered a record-breaking number of black holes in a nearby galaxy cluster, providing new insights into the formation and evolution of these mysterious cosmic objects.
- Researchers have found that some blue whales in the Pacific Ocean are still singing their traditional songs, even though their populations have declined due to whaling. This suggests the whales are passing down their cultural traditions to younger generations.
- Scientists have discovered a new species of giant tortoise in the Galápagos Islands, providing further evidence of the unique biodiversity found in this remote archipelago.