With thanks to Chris Sawyer
Florence Bell’s work producing X-rays of DNA laid the foundations for one of the landmark discoveries of 20th century science.
ESO/WFI (Optical); MPIfR/ESO/APEX/A.Weiss et al. (Submillimetre); NASA/CXC/CfA/R.Kraft et al. (X-ray)
Despite the name, some black holes effectively “shine” as they suck up nearby material with such force that it begins to glow. New research reveals a new method for detecting these active black holes.
Gleichen sacrificed her own well-being to help save the lives of injured soldiers on the Italian Front.
Douglas Olivares/ Shutterstock
The landscape artist bravely left her aristocratic life behind to help save lives on the Italian front.
Scientists are working with artificial intelligence in hopes of being able to better detect cancer.
Artificial intelligence holds great promise for medicine, but safeguards are needed to ensure it does not harm patients.
Smoking is the biggest cause of preventable death in the U.S. A test for long-time smokers might be able to detect lung cancer earlier, thereby saving lives.
Low-dose CT scans can detect lung cancer in smokers and former smokers at an early and sometimes treatable stage. Why are so few smokers and former smokers getting them?
Curies and curiouser.
With its strange bluish glow and cancer-killing qualities, meet the wundermetal that became one of the great cautionary tales of modern times.
An artist’s impression of the strong magnetic field neutron star in Swift J0243.6+6124 launching a jet.
ICRAR/University of Amsterdam
Astronomers found something not predicted by current theory when they took a closer look at the emissions from a neutron star with a very strong magnetic field.
U.S. Vice-President Mike Pence speaks about the creation of a United States Space Force on Aug. 9, 2018 at the Pentagon.
(AP Photo/Evan Vucci)
Could Canadian technology play a part in the newly announced U.S. Space Force? A team at McMaster University has developed an instrument that could keep Space Force troops safe from radiation.
Finger mounted flexible detector.
An X-ray sensitive ink means future detectors could be printable, portable and flexible.
Teeth and bones can tell something about age – but not someone’s birthday.
Journal of Forensic Dental Sciences
If an undocumented migrant is a minor or an adult can have far-reaching implications. A forensic anthropologist explains why relying solely on dental X-rays to determine age doesn’t work.
Top-down artist depiction of a tiny black hole and a pileup of gas and matter swirling toward the center.
The little-known Rossi X-ray Timing Explorer spacecraft was like a Geiger counter for the universe, listening to black holes and zombie stars.
The Milky Way seen in infrared.
NASA/JPL-Caltech/S. Stolovy (SSC/Caltech)
There could be thousands of black holes at the heart of the Milky Way.
X-ray vision is not only possible, it already exists – but using computers, not eyes.
Marcella Cheng/The Conversation
Human eyes don’t have x-ray vision. But we can use radiography machines to allow our eyes to see inside things the human eye cannot.
X-rays are like light rays, but they can pass through more stuff.
Marcella Cheng/The Conversation
X-rays are like light rays, but they can pass through more stuff. Some of the x-ray’s energy is blocked by bone, which is why you can see bones so clearly on x-ray scans.
Radiotherapy treats cancer by directing beams of high energy x-rays at the tumour.
Getting the right amount of radiation is a fine balance between therapy and harm. A common way to improve the benefit-to-cure ratio is to fire multiple beams at the tumour from different directions.
Doctors know most scans for low back pain are useless, but they have trouble convincing patients.
Reducing health-care waste relating to unnecessary tests has been a major priority for researchers, governments and health services for decades. But how do we change the behaviour of doctors?
Pocket your phone without worry.
Phone image via www.shutterstock.com.
Did your holiday gift list include radiation-shielding undies to protect your privates from cellphone radio waves? A radiation expert explains they’re unnecessary – your phone won’t affect your fertility.
The earliest hominin cancer.
Patrick Randolph-Quinney (University of Central Lancashire/University of the Witwatersrand)
Cancer is not the modern disease many believe it to be. New fossil evidence from two South African caves suggests that its origins lie deep in prehistory.
CT scans deliver a hefty dose of ionising radiation. But the benefits outweigh the risks – most of the time.
The computer does more of the work than you might think.
CT computer and scan room image via shutterstock.com
Pairing more powerful computers with increasingly sensitive scanners can yield many benefits in medicine and other fields.