Home > Lifestyle > Environmental Health > Animals Animals All sections in Environmental Health » 21st Century Life » FAQs » Animals » Climate and pollution » Hazards and disasters » EnviroHealth News » Green Tips How giant dinosaurs evolved to stay cool When researchers examined modern-day relatives of dinosaurs – birds and reptiles – they found how blood was cooled on its way to the brain. Start A Health24 blog » Follow Health24 on Facebook » Test Are you envirohealth savvy? » Ask EnviroHealth Expert » Blood Lions: Bred for the Bullet movie trailer The amazing mountains on Pluto These are SA's top 3 wild animals responsible for sending victims to the ER Is it the lion? Is it the crocodile? Or is it the lumbering two-ton hippo? Turns out, it’s none of them. WATCH: What if animals hunted humans? if the natural world suddenly took revenge, if animals like tigers, bears and wolves teamed together to hunt us down, then humankind could be in A LOT of trouble... WATCH: Snakebite deaths 'one of the world's biggest hidden health crises' More than 120 000 people a year die from snakebites and another 400 000 are left with life-changing disabilities. There may be an antidote for ocean's most venomous creature Australian researchers discovered that an existing cholesterol medicine would block the effects of jellyfish venom if injected within 15 minutes. The deadliest plastic for seabirds? Balloons New research has found that if we want to stop seabirds from dying from plastic ingestion, we need to remove particularly balloons from their environment. Where snakebites are deadliest Black mambas, cobras, vine snakes and carpet vipers are just a few of the deadliest snakes in the world. WATCH: What if you were swallowed alive? Whether you're in the jaws of a shark or crocodile, forced through the digestive system of a reticulated python, or helplessly trapped inside a whale... It's a terrible situation to be in. The battle to bring antivenoms to Africa A key challenge, especially in poor, remote areas of the world where most snakebites occur, is that most antivenoms need to be refrigerated. Hunting, harvesting leave big animals at risk of extinction Direct harvest of large wild animals for human consumption is the biggest danger to nearly all of the large species with threat data. load more articles advertisement Live healthier Lifestyle » E-cigarettes: Here are five things to know E-cigarettes have become hugely popular in the past decade, but a rash of vaping-linked deaths and illnesses in the US is feeding caution about a product that's already banned in some places. Allergy » Ditch the itch: Researchers find new drug to fight hives A new drug works by targeting an immune system antibody called immunoglobulin E, which is responsible for the allergic reaction that causes hives.