It’s still not known exactly how female birds produce such colourful and intricately-patterned eggs. But we do have some theories about the survival advantage this provides.
Egg production standards are about more than just a happy compromise. Hens are sentient, intelligent beings. Like us, they deserve a good life.
Victorians who need donated eggs and sperm face limited choice, lengthy waits and high costs.
Parthenogenesis, a form of reproduction in which an egg develops into an embryo without being fertilized by sperm, might be more common than you realized.
Here’s all the things you need to know about the mighty egg.
All eggs in supermarket Morrisons will soon be free range. But this – and other measures intended to promote ethical consumption – could impact badly on the worst off.
The story of how human eggs became an integral part of a multi-billion dollar global fertility industry starts in a unlikely place: the sex lives of farm animals.
Low-fat milk provides no extra benefit for your heart over full-fat milk, if you’re healthy. But it’s too soon to pour the low-fat options down the sink.
New research suggests some dinosaurs buried and protected eggs in groups.
We need to understand what a swallow’s nest is really for – and it is not mainly for sleeping.
A recent study revisited the issue about eating foods high in cholesterol, such as eggs. The findings are nuanced but suggest that those with high cholesterol may want to limit food with cholesterol.
A yolk allows a developing animal to stay in an egg longer, boosting its chance of survival. The downside is the mother has to work hard finding extra food so her body can create a nutritious yolk.
Children with cancer not only endure chemotherapy or radiation treatment but they may also face infertility in adulthood. Now a new procedure, just proven in monkeys, may be close to use in humans.
Some of the advice on eggs should be taken with a pinch of salt.
Raising livestock has clear impacts on the environment, but contrary to what many critics say, it is not the biggest driver of climate change.
Nearly half the eggs sold in Australia are free-range, but only 5% of pork comes from pigs raised outdoors.
Having looked after chickens for generations, humans are pretty good at getting them to keep on laying eggs.
Eggs are tiny wonders, but even wonders can go wonky sometimes. We look at everything from double-yolkers to eggs with no shell at all.
The current review of standards for egg and poultry farming does little to assuage fears that the industry wields too much influence. Only an independent regulator can restore public confidence.
An ancient sexual conflict over mitochondrial inheritance may be responsible for the evolution of the two sexes as we know them.