Normal view

Wasp Colonies Explode Into Violence After Losing Their Queen

31 May 2026 at 20:21
Polistes canadensis CloseThe loss of a queen triggers intense battles for power among female wasps, disrupting the colony’s social structure. Surprisingly, other wasps avoid the fighting and keep the colony functioning by taking care of its most important daily tasks. What happens when a queen suddenly disappears from a wasp colony? According to new research led by [...]

Scientists Have Discovered These Deadly Parasites Are Secretly Swapping DNA

Leishmania Parasite LeishmaniasisLeishmania parasites appear to evolve through widespread genetic exchange, reshaping assumptions about how they adapt and spread. A parasite long thought to spread mostly by cloning itself may be far more genetically dynamic than scientists once believed. A new international study suggests that Leishmania—a group of microscopic parasites responsible for debilitating tropical diseases—regularly swaps genetic [...]

Ancient Goose Fossil Challenges Long-Held Theories About New Zealand Birds

29 May 2026 at 18:03
Metechen lutiA newly described fossil goose shows that New Zealand’s bird history involved repeated arrivals, extinctions, and rapid island evolution. A rare fossil goose found in the remains of an ancient lake in Central Otago is changing how scientists understand the bird history of Aotearoa New Zealand, according to a researcher at the University of Otago [...]
❌