The world's most lonely 'tree' reveals the beginning of geology
Scientists examined the radioactive isotope carbon-14 in the small core of a Sitka spruce (Picea sitchensis) on Campbell Island, New Zealand.Giant iceberg kills 150,000 penguins
Scientists estimate that 150,000 Adelie penguins living along the Antarctic coast have died after an iceberg larger than the city of Rome, isolating their habitat, making them