Florida’s coral reefs provide window into the past
The Florida Keys coral reefs stopped growing or significantly slowed their growth at least 3000 years ago and have been balanced between persistence and erosion ever since, according to a new study by the U.S. Geological Survey.
Dolphins are simplifying their calls to be heard over shipping noise
The world’s oceans are getting noisier, humming with the near-constant sounds of ship engines, seafloor mining, and oil and gas exploration. Now, a new study has found that dolphins are being forced to simplify their calls in order to be heard over the noise.
This iceberg is perfectly rectangular—here’s why
Though it doesn’t fit our typical image of icebergs, experts say the common shape has a simple explanation.