Earth & Environment
What it would have been like to experience the dinosaur‑killing asteroid Armageddon
A great Tyrannosaurus rex strides through the conifer trees of her territory, sniffing the air.
She picks up the scent from the carcass of a...
Shark embryos reveal ancient blueprint behind the faces of all jawed animals
Scientists studying shark embryos have uncovered evidence that the basic blueprint for building faces in jawed animals has remained largely unchanged for more than...
How ‘snowball Earth’ was a tug-of-war
Decades of research shows that Earth was once entirely or almost entirely frozen.
The episode is known as Snowball Earth, and though its occurrence is...
Scientists find major errors in global climate pollution database
A new study from researchers at Northern Arizona University has raised concerns about the accuracy of a widely used global greenhouse gas emissions database...
Ancient continents may have helped create the right conditions for life on Earth
Scientists have discovered that the rise of Earth’s first continents may have played a major role in making life possible.
According to a new study...
Climate change is quietly increasing stroke risk, experts warn
Many people think of climate change as something that affects the weather, the oceans, or wildlife. However, scientists are now warning that it is...
Rare metal helped ancient life thrive long before oxygen filled Earth
More than three billion years ago, life on Earth faced a difficult problem.
The planet’s oceans contained only tiny amounts of molybdenum, a rare metal...
From tree waste to clean air: How eucalyptus bark could help fight pollution
What if something usually thrown away could help solve some of our biggest environmental problems?
New research from RMIT University suggests that eucalyptus bark—often treated...
Vegan diet beats Mediterranean diet on emissions and metabolic health
Scientists have long known that what we eat affects our health. But now, new research shows that our food choices can also have a...
Scientists discover 75-million-year-old mammal that survived the dinosaur era
Scientists have discovered a new species of small mammal that lived at the same time as dinosaurs, offering fresh clues about how early mammals...
How the same genes shaped butterfly wings for 120 million years
Evolution is often described as a process full of chance and randomness.
But a new study suggests that it may be more predictable than we...
Why Strait of Hormuz crisis could quietly raise prices around the world
The closure of the Strait of Hormuz has drawn attention mainly because of rising oil and petrol prices.
But focusing only on fuel misses a...
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The History of Penguins in Australia
Recent studies on the fossil penguin faunas of Antarctica, New Zealand, South Africa, and South America have converged on several key events in penguin...
40,000-year-old symbols may be humanity’s first step toward writing
Long before the first known writing systems appeared in ancient Mesopotamia, early humans were already carving mysterious symbols into tools, ornaments, and sculptures.
A new...
Long-term air pollution exposure linked with severe COVID-19
A study by the Barcelona Institute for Global Health (ISGlobal) found that long-term exposure to air pollution can increase the severity of COVID-19 outcomes,...
The UK wants to ban the next generation from smoking. Will it work?
Ministers from governments on both sides of the political debate have introduced measure after measure designed to make smoking less attractive.
Restrictions have ranged from...
Research finds diversified farming benefits people, environment, and profits
In an ambitious global study spearheaded by the University of Copenhagen and the University of Hohenheim, researchers have delivered a powerful message to the...
Why the metaverse isn’t ready to be the future of work just yet
The COVID-19 pandemic radically changed how many Canadians work.
According to Statistics Canada, remote work rose to 40% in April 2020 and fell to 18.7%...
Unlocking Earth’s early secrets: How our first continents were formed
Long ago, during the Archean Eon, which was about 4 billion to 2.5 billion years ago, Earth was a very different place. Understanding how...
Scientists discover perfectly preserved dinosaur skin in Korea
In a new study, scientists found perfectly preserved dinosaur skin in South Korea.
They discovered a set of very small tracks with perfect skin traces...