8,095 results
- Animals
Female fish have a fail-safe for surprise sperm attacks
A Mediterranean fish provides evidence that, even after laying their eggs, females can still influence who fertilizes them.
- Oceans
Fish escapes from marine farms raise concerns about wildlife
Farmed salmon, sea bass and other fish frequently escape from sea cages into the ocean. Will these runaways harm native wildlife?
- Oceans
Climate change may boost toxic mercury levels in sea life
Increased runoff to the ocean due to climate change could raise neurotoxic mercury in coastal sea life by disrupting the base of the food web.
- Animals
Size matters to lizards, but numbers may not
Scientists have sized up the quantitative abilities of lizards and found that reptiles may not be as good with numbers as other vertebrates.
- Science & Society
Parents may one day be morally obligated to edit their baby’s genes
The CRISPR debate is moving from “should we or shouldn’t we?” to “do we have to?”
- Genetics
New CRISPR gene editors can fix RNA and DNA one typo at a time
New gene editors can correct common typos that lead to disease.
- Animals
Tool use in sea otters doesn’t run in the family
A genetic study suggests that tool-use behavior isn’t hereditary in sea otters, and that only some animals need to use tools due to the type of food available in their ecosystem.
- Astronomy
Readers unimpressed by Earth’s newest neighbor
Exoplanet fatigue, runaway fish and more in reader feedback.
- Paleontology
Identity of ‘Tully monster’ still a mystery
Paleontologists challenge whether the Tully monster actually was a vertebrate because it lacks key vertebrate structures.
- Animals
Young eels use magnetic ‘sixth sense’ to navigate
Migrating eels use Earth’s magnetic field.
- Animals
How oral vaccines could save Ethiopian wolves from extinction
A mass oral vaccination program in Ethiopian wolves could pave the way for other endangered species and help humans, too.
- Animals
Drowned wildebeests can feed a river ecosystem for years
Only a small percentage of wildebeests drown as they cross the Mara River, but they provide resources for the river ecosystem for years after their deaths.
