Let there be photosynthesis: three billion years of fresh air

Long ago, the Earth was filled with unbreathable gases that prohibited the existence of life as we know. But a moment in history caused a dramatic shift as oxygen was breathed into the world. It accumulated in the atmosphere and oceans, kickstarting a domino effect of diversification that led to the uniquely habitable planet we … Continue reading Let there be photosynthesis: three billion years of fresh air

Bacterial bioclock

The ebb and flow of our daily lives revolves largely around our sleep cycle, which is governed by our body’s biological clock. Other animals and plants also have these internal timing mechanisms to cope with light changes across days and even seasons – and now researchers have discovered that bacteria do, too. “We’ve found for … Continue reading Bacterial bioclock

Doing spiders out of a job

Spider silk has a lot going for it. It’s strong, very light, biodegradable and biocompatible, and has the potential to be used in everything from tear-resistant clothing to aerospace components. The one downside is that it tends to be in short supply because only spiders produce it, and they’re slow. But that might be about … Continue reading Doing spiders out of a job