Oceans
- Life
Ocean acidification could degrade sharks’ tough skin
Nine weeks of exposure to acidic seawater corroded the toothlike denticles that make up a puffadder shyshark’s skin, a small experiment found.
- Earth
Flooding Earth’s atmosphere with oxygen may not have needed a triggering event
Building an oxygen-rich world doesn’t require volcanism, supercontinent breakups or the rise of land plants — just nutrient cycling, a study finds.
- Climate
How the Arctic’s poor health affects everyday life
A new NOAA report features testimony from indigenous communities in Alaska who are weathering the impacts of Arctic warming.
- Oceans
Stealthy robots with microphones could improve maps of ocean noise
Recordings from underwater microphones on stealthy robotic gliders could create a better “soundscape” of noises throughout the ocean, researchers say.
- Earth
Plastics outnumber baby fish 7-to-1 in some coastal nurseries
Ocean slicks serve as calm, food-rich nurseries for larval fish. A new study shows that slicks also accumulate plastics, which get eaten by baby fish.
- Animals
Humpback whales use their flippers and bubble ‘nets’ to catch fish
A study reveals new details of how humpback whales hunt using their flippers and a whirl of bubbles to capture fish.
- Science & Society
This year’s SN 10 enjoy the journey, not just the discovery
Meet 10 young researchers who combine persistence and passion to make headway on science’s big questions.
- Climate
How climate change is already altering oceans and ice, and what’s to come
A new IPCC report gives the lowdown on how climate change is already wreaking havoc on Earth’s oceans and frozen regions, and how much worse things could get.
- Life
Climate change may be throwing coral sex out of sync
Several widespread corals in the Red Sea are flubbing cues to spawn en masse.
- Earth
Ancient crystal growths in caves reveal seas rose 16 meters in a warmer world
The Pliocene era cave formations on the Spanish coast of Mallorca offer hints about how oceans could respond to human-driven climate change.
- Earth
How Kilauea’s lava fed a massive phytoplankton bloom
Kilauea’s heavy flow of lava into the ocean in 2018 added both food and heat to fuel a sudden bloom of ocean algae.
- Earth
Ocean acidification could weaken diatoms’ glass houses
Ocean acidification may lead to smaller, lighter diatoms in seawater, which could also shrink how much carbon the tiny ocean algae can help sequester.
