The Crocodile That Hunted Our Ancestors Lurked in Ethiopia 3 Million Years Ago

Iowa-led research team names, describes ‘Lucy’s hunter,’ a crocodile from our ancestors’ world

Submerged to the nostrils in warm, slow water, the animal waited. It had been waiting a long time, probably; crocodiles are good at that. Around it, the Hadar floodplain spread out in a patchwork of gallery forest and open grassland, lakes edged with sedge, streams running amber with silt. And somewhere along the bank, at … Read more

Black Soldier Fly Larvae Destroy Most Human Viruses in Waste Within Eight Days

Maggots of black soldier fly, one species that is farmed

Buried in a container of pig manure or sewage sludge, a black soldier fly larva spends its first weeks doing something genuinely useful: eating. It consumes the organic matter around it, converts it into body mass, and excretes what it cannot use as nutrient-rich pellets called frass. The process is efficient, well-understood, and increasingly seen … Read more

City Lights Are Messing With Sharks’ Internal Clocks

nurse shark

The nurse sharks swimming through Miami’s glowing coastal waters at night aren’t getting much sleep. Their blood tells the story: melatonin levels suppressed, circadian rhythms disrupted, all because the city never really goes dark. For the first time, researchers have measured the hormone in wild sharks and found that artificial light is throwing their biological … Read more

Elephants Read Human Body Language Better Than Your Dog

elephant family of three

Scientists in Thailand have discovered that Asian elephants pay remarkably close attention to how humans position their bodies, but not quite in the way you might expect. The finding suggests these intelligent giants aren’t just responding to our presence—they’re analyzing whether we’re actually looking at them before deciding to communicate. Hoi-Lam Jim, a researcher at … Read more

Why Mamba Snake Bites Worsen After Antivenom

Black mamba

Doctors treating mamba snake bite victims have long puzzled over a disturbing pattern: patients who initially improve after receiving antivenom sometimes deteriorate again, their muscles seizing in painful, uncontrolled spasms. Now researchers at The University of Queensland have uncovered why this happens, revealing that three of the four mamba species deploy a two-pronged neurological attack … Read more

Nearly 80% Of Whale Sharks In This Marine Tourism Hotspot Have Human-Caused Scars

Whaleshark in murky water

Gentle giants are getting scarred. A 13-year study shows that nearly four out of five whale sharks in the Bird’s Head Seascape of Indonesian Papua bear injuries from human activities, mostly through contact with fishing platforms and tourist boats. Researchers say these wounds, though often superficial, highlight how fragile the balance is between local livelihoods, … Read more

Snake Rescue Plans Could Carry Hidden Genetic Risks

Eastern massasauga rattlesnakes live in isolated spaces in midwestern and eastern North America and were listed as threatened under the Endangered Species Act in 2016 because of loss and fragmentation of their wetland habitat.

Moving animals from large, healthy populations to boost the survival of endangered ones has long been a staple of wildlife conservation. But new research on the Eastern massasauga rattlesnake suggests this practice, called assisted gene flow, may introduce more harmful genetic mutations than beneficial ones. The findings raise questions about how much of a species’ … Read more