Biology

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Ghost the Giant Pacific Octopus Enters Final Life Stage, Tending Unfertilized Eggs

The Long Beach aquarium will move her behind the scenes for end-of-life care under a policy that avoids pairing octopuses.

Wild Study Maps Octopus Arm Roles, With Front Limbs Exploring and Rear Limbs Moving

Australia Approves First Koala Chlamydia Vaccine for Field Use

Scientists Directly Date Dinosaur Eggshells for the First Time at 86 Million Years

NASA Study Identifies Potential Biosignature in Perseverance’s Jezero Crater Rock Core

Alzheimer’s Gene Variant Linked to Fewer, Weaker Exosomes in Human Cell Study

High-Fat ‘Junk Food’ Diet Disrupts Memory Circuits Within Days in Mice, Study Finds

Gene-Made Peptides Shape Gut Microbes and Protect Mice From Diet-Linked Disease

Objects Sharpen the Brain’s Internal Compass in Mouse Study

Museum Fossil From Wales Named New Triassic Theropod, Newtonsaurus Cambrensis

Study Finds 79% of Fiji’s Endemic Ants in Decline as Introduced Species Expand

NASA Reveals Most Compelling Potential Mars Biosignature in Perseverance Rock Sample

UK Zoo Reports Rare 'Virgin Birth' as Female Iguana Produces Eight Hatchlings

Brain ‘Dial’ in BNST Steers Consumption in Mice

Study Links THC in Ovarian Follicles to Lower Rate of Normal Embryos in IVF

Atlas Blue Butterfly Confirmed to Hold Animal Record With 229 Chromosome Pairs

USC Study Shows Common PFAS Drive Liver Fat and Cancer-Linked Changes in Human Cells

Male Ratfish Grow True Forehead Teeth for Mating, Study Finds

Beer Drinkers Attracted More Mosquitoes in Festival Study, Preprint Finds

Bacteria-Infused Cement Stores Electricity and Recovers Capacity After a Nutrient Boost