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Articles on Imaging

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Chemotherapy is used to treat all lung cancer patients. Yet many would not need such invasive treatment if diagnosis of the risk of recurrence were more refined. A new technology could change all that. (Shutterstock)

Lung cancer: Predicting which patients are at high risk of recurrence to improve outcomes

Treatment for lung cancer patients is the same for everyone, regardless of the risk of recurrence. The use of a new technology could refine diagnosis.
George De Hevesy working in his lab at Stockholm University in 1944. Keystone Features/Hulton Archive via Getty Images

How a disgruntled scientist looking to prove his food wasn’t fresh discovered radioactive tracers and won a Nobel Prize 80 years ago

Some Nobel Prize-winning ideas originate in strange places, but still go on to revolutionize the scientific field. George de Hevesy’s research on radioactive tracers is one such example.
A Cinnamon-Chested Bee-Eater is released after being ringed at the National Museum of Kenya. Luke Dray/Getty Images

3-D techniques shed light on what makes a bird’s lungs so efficient

An understanding of bird biology is the starting point for conservation efforts. 3-D reconstructions of biological structures greatly add to this understanding.
Eliminating human guesswork can make for faster and more accurate research. KTSDESIGN/Science Photo Library via Getty Images

New AI technique identifies dead cells under the microscope 100 times faster than people can – potentially accelerating research on neurodegenerative diseases like Alzheimer’s

Understanding when and how neurons die is an important part of research on neurodegenerative diseases like Lou Gehrig’s, Alzheimer’s and Parkinson’s diseases.
Australian sea lions (Neophoca cinerea) are one of the rarest pinnipeds in the world and they are declining. Jarrod Hodgson

Australian sea lions are declining. Using drones to check their health can help us understand why

Australia’s only sea lion species is endangered and continues to decline. A new non-invasive monitoring technique could help to identify the causes and better inform conservation strategies.
Among the 61 recommendations is: ‘Don’t order chest x-rays in patients with uncomplicated acute bronchitis’. Monkey Business Images/Shutterstock

Antibiotics for colds, x-rays for bronchitis, internal exams with pap tests – the latest list of tests to question

Harm doesn’t just come in the form of side-effects or further testing. The “cons” of any treatment also include the costs, which can be financial, emotional, and the costs of the individual’s time.
Green lasers glowing within cells. Matjaž Humar and Seok Hyun Yun

We transformed living cells into tiny lasers

Using fluorescent dye, researchers figured out how to turn cells into lasers – with applications for cell tagging and tracking as well as medical diagnoses and therapies.
Unmanned aircraft, better known as drones, could have positive spin-offs for the African continent. Reuters/Edward Echwalu

How drones can deliver tangible benefits to ordinary people in Africa

Drones have a positive role to play on the African continent, from delivering medicines to fighting poaching and even giving visitors to game parks a head-up on where to spot the game.

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