Articles on Evidence

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There’s been an accident - but witness accounts will stray and lose accuracy over time. from www.shutterstock.com

Why we made iWitnessed, an app to collect evidence

Memories of events are notoriously unreliable - especially after some time has passed. Experts and police have developed an app to help the general public record evidence when it's fresh.
Evidence isn’t always as straightforward as it might first seem. Mai Lam/The Conversation NY-BD-CC

Trust Me, I’m An Expert: Brain-zapping, the curious case of the n-rays and other stories of evidence

Brain-zapping, the curious case of the n-rays and other stories of evidence. The Conversation, CC BY70.4 MB (download)
You've had an x-ray before but have you had an n-ray? Of course not, because they're not real. But people used to think they were. Today, on Trust Me, I'm an Expert, we're bringing you stories on the theme of evidence.
Dr. Karen Lindfors, a professor of radiology and chief of breast imaging at the University of California, Davis Medical Center, examines the mammogram of a patient. (AP Photo/Rich Pedroncelli)

Routine mammograms do save lives: The science

The majority of research suggests the benefits of mammography screening greatly outweigh the harms for women over age 40.
Dozens of studies and numerous reviews have demonstrated the safety of vaccines. (Shutterstock)

Public health at risk when opinion trumps evidence

In an era when opinion often trumps evidence in public health issues, it's time to support and invest in evidence-based medicine to protect the public from dangerous, poorly informed beliefs.
When lawyers submit forensic evidence in court, is there legit science to back it up? AP Photo/Pat Sullivan

Now who will push ahead on validating forensic science disciplines?

Forensics has a way to go before it's a mature, academic science. Attorney General Jeff Sessions just terminated an independent commission charged with helping it get there.
There wouldn’t be statues acclaiming Darwin and his theory if it couldn’t stand up to decades of testing. CGP Grey

Scientific theories aren’t mere conjecture – to survive they must work

In science, the word 'theory' has a very specific meaning that's easy for nonscientists to misunderstand or misconstrue. Here's what a theory must withstand to be accepted by the scientific community.
Is that a black hole, or a hole in their data? NASA Goddard Space Flight Center

How to quickly spot dodgy science

There are a few red flags to look out for when reading about new scientific discoveries that can help you spot dodgy or unreliable work.
So many voices but who should you listen to in any debate on science matters? Shutterstock/coffeehuman

Whose word should you respect in any debate on science?

Modern science can be difficult or complex for one person to understand and verify, especially a non-scientist. So who should we believe when scientific evidence is met with denial?
Genetic techniques can help make pollen useful for cracking criminal cases. Karen L. Bell

Pollen genetics can help with forensic investigations

Pollen is all around us, is extremely durable and can provide clues about where someone's been. A new genetic technique will make it easier to use pollen evidence in criminal investigations.

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