Menu Close

Articles on Biology

Displaying 121 - 140 of 392 articles

Some institutions publish information about their mishaps, while others do not. Peter Kneffel/picture alliance via Getty Images

Reporting all biosafety errors could improve labs worldwide – and increase public trust in biological research

A centralized reporting system for laboratory incidents involving dangerous pathogens in biological research does not exist in the US or internationally.
Science can observe these various phases of fetal development but cannot determine when human life begins. UrsaHoogle/E+ via Getty Images

Defining when human life begins is not a question science can answer – it’s a question of politics and ethical values

Some people seeking to influence public opinion about abortion rights claim the science is clear. It’s not, and that means abortion remains a political question – not a biological one.
For centuries, sailors have told tales of milky seas – huge swaths of ocean glowing on dark nights, seen in blue in this false–color satellite image. Steven D. Miller/NOAA

Scientists are using new satellite tech to find glow-in-the-dark milky seas of maritime lore

When conditions are just right in some parts of the Indian Ocean, a type of bacteria will multiply and start to glow. Satellites are helping scientists study these milky seas for the first time.
Juniper trees, common in Arizona’s Prescott National Forest, have been dying with the drought. Benjamin Roe/USDA Forest Service via AP

Trees are dying of thirst in the Western drought – here’s what’s going on inside their veins

Without enough water, trees can develop embolisms, similar to blockages in human blood vessels, and they’re more likely to die from drought or fires.
With the evidence uncovered by paleontologists, an artist sketched El Bosque Petrificado Piedra Chamana as it might have looked long before humans. Mariah Slovacek/NPS-GIP

A volcanic eruption 39 million years ago buried a forest in Peru – now the petrified trees are revealing South America’s primeval history

Using remnants of fossilized trees, scientists and an artist figured out what the forest looked like long before humans existed.
Messenger RNA carries the instructions for life from DNA to the rest of the cell. ktsimage/iStock via Getty Images Plus

What is mRNA? The messenger molecule that’s been in every living cell for billions of years is the key ingredient in some COVID-19 vaccines

In the spotlight for its role in COVID-19 vaccines – and a Nobel Prize – mRNA is not a new invention. It’s a crucial messenger molecule at work every day in every cell in your body.

Top contributors

More