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News
Drought, water shortages and crop failures: how does the medieval warm period compare with today?
4+ day, 23+ hour ago (1066+ words) A heatwave lasting four months, followed by water shortages and crop failures. This is England in the 13th century, not the 21st. What is often called the Medieval warm period saw elevated temperatures in many parts of the world between the 10th and…...
The biggest atomic blast in Australia happened 70 years ago – mysteries about its impact linger
6+ day, 15+ hour ago (17+ words) The Conversation...
Where do the world’s biggest diamonds come from? Geology now has answers
1+ week, 2+ day ago (651+ words) As a geologist at the University of Cape Town, I specialise in the magmas that carry diamonds to the surface, known as kimberlites. My colleagues and I set out to investigate what the world’s largest diamonds could tell us about…...
Beavers are emerging sooner in spring amid warmer weather
2+ week, 1+ day ago (734+ words) The most anticipated day of my year is “BDay” — the first day when beavers are spotted on the ice in spring after emerging from small openings in the water in front of their lodges after a long winter of confinement....
3.1 billion-year-old rocks in Australia reveal a forgotten chapter of Earth’s water cycle
3+ week, 2+ hour ago (910+ words) In the 45°C heat of the midday April sun, I swing my sledgehammer into the terracotta-varnished lobes of pillow basalt overlooking a sparse, almost Martian landscape. Up close, the rock is freckled with small spheres or varioles, a texture that…...
Why Antarctica froze millions of years before the Arctic – new research
3+ week, 3+ day ago (1089+ words) East Antarctica hosts the largest ice sheet on Earth, containing enough water to raise global sea levels by 52 metres, were it to fully melt. Yet it has puzzled scientists for decades how and why this ice sheet formed. In fact,…...
Earth’s oldest crater really is over 3 billion years old, new study confirms
1+ mon, 4+ day ago (686+ words) The oldest known impact structure on Earth has been confirmed in outback Australia....
Earthquakes can be destructive for distant cities built on top of basins – now we know why
1+ mon, 1+ week ago (536+ words) Flat basins are favoured places to build cities. But seismic waves can get trapped in these basins, putting cities at risk from distant earthquakes....
No animal alive today is ‘primitive’ – why are so many still labeled that way?
5+ mon, 2+ week ago (588+ words) We humans have long viewed ourselves as the pinnacle of evolution. People label other species as “primitive” or “ancient” and use terms like “higher” and “lower” animals. This anthropocentric perspective was entrenched in 1866, when German scientist Ernst Haeckel drew one…...
Strange rock formations beneath the Pacific Ocean could change our understanding of the early Earth
2+ mon, 3+ week ago (850+ words) Our world may seem fragile, but Earth has been around for a very long time. If we ventured far back into the past, would we reach a time when it looked fundamentally different? The answer lies in some of the…...