Watch a tiny robot back flip through a real colon
A microrobot as small as a few human hairs can do flips through the colon to deliver drugs. Check out the video to see it in action.
Oct. 16, 2020 • ~6 min
Tags: robots drug-delivery featured health-and-medicine magnetic-fields
Life on Earth: why we may have the Moon's now defunct magnetic field to thank for it
The Earth's magnetic field was most likely weaker when life evolved on our planet than it is today.
Oct. 15, 2020 • ~5 min
Tags: evolution atmosphere moon earth sun magnetism magnetic-fields life-on-earth solar-winds
Are the Earth's magnetic poles about to swap places? Strange anomaly gives reassuring clue
The Earth's magnetic field is a lot weaker than we would expect around the island of St Helena.
July 20, 2020 • ~7 min
Tags: magnetic-fields earths-core earths-mantle
Earth’s magnetic field may change faster than we thought – new research
Changes in the Earth's magnetic field pose a great risk to electronic infrastructure.
July 20, 2020 • ~7 min
Tags: magnetic-fields geophysics earths-core
What exoplanets can tell us about Earth
"We don't only look at other planets to know what's out there. It's also a way for us to learn things about the planet that's under our own feet."
March 6, 2020 • ~10 min
Tags: space exoplanets planets water plate-tectonics earth alien-life science-and-technology magnetic-fields
Solar storms can mess up gray whales’ sense of direction
Gray whales use Earth's magnetic field like a GPS to navigate their migrations, but cosmic bursts of radio static may throw them off.
Feb. 24, 2020 • ~3 min
Tags: storms sun whales science-and-technology magnetic-fields
Watching magnetic nano ‘tornadoes’ in 3D
Scientists have developed a three-dimensional imaging technique to observe complex behaviours in magnets, including fast-moving waves and ‘tornadoes’ thousands of times thinner than a human hair.
Feb. 24, 2020 • ~5 min
Tags: advanced-materials physics nanotechnology magnetic-field
Earth’s early magnetic field was stronger than we thought
The Earth's early magnetic field was stronger than scientists had believed, according to ancient crystals that give researchers a view into the past.
Feb. 3, 2020 • ~5 min
Tags: planets science-and-technology early-earth magnetic-fields
Space ‘super-storms’ may be more common than we thought
"Don't be misled by the stats, it can happen any time, we simply don't know when and right now we can't predict when."
Jan. 29, 2020 • ~4 min
Tags: space storms weather sun featured science-and-technology magnetic-fields
Magnetic fields turn material bendy and twisty
Researchers can control the shape of a new material called a magnetic shape memory polymer with magnetic fields, which could be useful for future robots.
Dec. 17, 2019 • ~4 min
Tags: robots materials-science polymers featured science-and-technology magnetic-fields
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