Archivo: Science Alert

Giant Study Identifies Exercise Sweet Spot For Lowering Risk of Death
An extensive study, involving records from more than 116,000 people over the course of 30 years, has found that moderate amounts of physical activity for between 300 and 600 minutes could be the sweet spot when it comes to reducing mortality risk.

Deep Water Under The Colorado Plateau Reveals a Hidden Surprise
Earth’s deepest sources of water may not be as old as we once assumed.

A Strange Fossil in South China Reveals an Intriguing Link With The First Americans
Remains recovered from a cave in the Chinese province of Yunnan more than 10 years ago have finally given up their secrets, with a DNA analysis revealing not just who left them, but ultimately where their ancestors would go.

It Turns Out Your Sperm Is Full of DNA Packed as Tightly as Tetris Blocks
Our DNA is packed into our nucleus pretty damn tightly. Each chromosome is one looong DNA molecule wrapped around proteins called histones, like a very tiny thread on very tiny spools.

A Long-Standing Mystery About Early Supermassive Black Holes Could Finally Be Solved
Over the last few years, as we have been able to peer back deeper and deeper into the early Universe, astronomers have been discovering something extremely puzzling.

Great White Sharks Are Being Scared From Their Habitat by Just Two Predators
There is no sea creature whose name inspires terror – rightly or wrongly – as much as the great white shark.

New Study Reveals Devastating Effect on Astronaut Bones From Living in Space
Astronauts lose decades’ worth of bone mass in space that many do not recover even after a year back on Earth, researchers said Thursday, warning that it could be a “big concern” for future missions to Mars.

The Largest Star in The Milky Way Is Slowly Dying, And Astronomers Are Watching
Three-dimensional models of astronomical objects can be ridiculously complex. They can range from black holes that light doesn’t even escape to the literal size of the Universe and everything in between.

Strange Honeycomb Pattern on Mars Appears to Be Formed by Water Ice And CO2
From orbit, this landscape on Mars looks like a lacy honeycomb or a spider web. But the unusual polygon-shaped features aren’t created by Martian bees or spiders; they are actually formed from an ongoing process of seasonal change from created from water ice and carbon dioxide.

A ‘Very Exciting’ Anomaly Detected in Major Experiment Could Be Huge News For Physics
A strange gap between theoretical predictions and experimental results in a major neutrino research project could be a sign of the elusive ‘sterile’ neutrino – a particle so quiet, it can only be detected by the silence it leaves in its wake.