The quest for scientific evidence can trace its roots back to the classic masters of rhetoric.
What we regard today as scientific evidence can trace its roots back to the ancient art of persuasion.
There’s been an accident - but witness accounts will stray and lose accuracy over time.
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
Brain-zapping, the curious case of the n-rays and other stories of evidence.
The Conversation, CC BY 70.4 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.
Judges and juries may not appreciate the nuances of messages from online dating services used as evidence in trials.
Coal stockpile at Valley Power Plant, Milwaukee, Wis.
The Federal Energy Regulatory Commission has rejected a Trump administration proposal to reward coal and nuclear power plants for storing fuel on-site, as a way to make the power system more reliable.
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)
The majority of research suggests the benefits of mammography screening greatly outweigh the harms for women over age 40.
While compelling, personal anecdotes of what helped people quit smoking suffer from self-selection bias. We don’t hear from people who didn’t succeed.
Personal stories about what helped people quit smoking can be misleading, and aren't strong evidence.
Dozens of studies and numerous reviews have demonstrated the safety of vaccines.
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.
Don’t believe the hype. Band-Aids might protect minor cuts but there’s no publicly available evidence they speed up healing.
Johnson & Johnson Pacific Pty Ltd/The Conversation
Where's the evidence behind claims Band-Aids speed up wound healing? Here's why we'll never know.
One of these is a human, the other not. Can you tell the difference?
Experts may be dismissed when they express values, offer advice or make mistakes. But these expectations are unreasonable and unhelpful.
About half of studies of some types of brain stimulation cannot be reproduced. So, how do we know if these work?
Electrical brain stimulation is used to treat a range of conditions, from depression to epilepsy. But how confident can we be that it works?
When lawyers submit forensic evidence in court, is there legit science to back it up?
AP Photo/Pat Sullivan
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.
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.
Intellectual inquiry and expertise are under sustained attack, says Barney Glover.
Our need for unbiased, well-researched information has never been greater.
Is that a black hole, or a hole in their data?
NASA Goddard Space Flight Center
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.
Is this worth the tape it’s wrapped with?
Is forensic science an oxymoron? A new White House report suggests there are major issues with many of the forensic disciplines used to convict defendants of crimes in the U.S.
So many voices but who should you listen to in any debate on science matters?
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?
Weighing up the evidence for surgery is just one thing to consider before going under the knife.
There's often limited evidence for many common types of surgery. Understanding what makes good evidence is the key to deciding what's best for you.
A Queensland police officer models the body-worn camera.
Body-worn cameras may seem to be a boost for policing and criminal justice, but they raise a host of issues around admissibility, privacy and fairrness.
Genetic techniques can help make pollen useful for cracking criminal cases.
Karen L. Bell
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.