Search results for sharks

Plants & Animals Apr 16, 2024

Climate-change-driven cold snaps threaten marine life

Tropical marine species venturing into new areas as the climate changes could fall victim to another effect of the phenomenon—as bursts of cold water from the deep sea suddenly kill them.

Environment Apr 15, 2024

The big dry: Forests and shrublands are dying in parched Western Australia

Perth has just had its driest six months on record, while Western Australia sweltered through its hottest summer on record. Those records are remarkable in their own right. But these records are having real consequences.

Evolution Apr 15, 2024

Evolution's recipe book: How 'copy paste' errors led to insect flight, octopus camouflage and human cognition

Seven hundred million years ago, a remarkable creature emerged for the first time. Though it may not have been much to look at by today's standards, the animal had a front and a back, a top and a bottom. This was a groundbreaking ...

Economics & Business Apr 11, 2024

Survey tallies consumer attitudes toward lab-grown meat alternatives

Many consumers view conventional meats as both tastier and healthier than laboratory-grown alternatives, according to the March Consumer Food Insights Report.

Plants & Animals Apr 9, 2024

Study finds schools of fish can make less noise than a solitary swimmer

New findings by Johns Hopkins University engineers working with a high-tech simulation of schooling mackerel, offer insight into why fish swim in schools and promise for the design and operation of much quieter submarines ...

Ecology Apr 8, 2024

Jellyfish invade Venezuelan waters, worrying fishermen

A thick bloom of jellyfish of varying hues drifts in the turquoise waters of Aragua in Venezuela, a surreal vision attributed to climate change that has decimated fishing stocks.

Plants & Animals Apr 7, 2024

Scientists say these killer whales are distinct species: It could save them

More than 150 years ago, a San Francisco whaler noticed something about killer whales that scientists may be about to formally recognize—at least in name.

Plants & Animals Apr 4, 2024

Adult fish struggle to bounce back in marine protected areas, study finds

Age matters when determining how to protect life in the ocean; every population needs a strong cohort of adults to produce the next generation. But many marine protected areas (MPAs) are falling short of their most basic ...

Ecology Mar 28, 2024

Sawfish are spinning, and dying, in Florida waters as rescue effort begins

Endangered smalltooth sawfish, marine creatures virtually unchanged for millions of years, are exhibiting erratic spinning behavior and dying in unusual numbers in Florida waters. Federal and state wildlife agencies are beginning ...

Paleontology & Fossils Mar 27, 2024

Scientists discover endoparasitic marine tapeworm trapped in Cretaceous amber

Cestoda, commonly known as tapeworms, is a large class within the platyhelminth phylum with about 5,000 species described so far. Recently, researchers from the Nanjing Institute of Geology and Paleontology of the Chinese ...

page 2 from 40