Peer-reviewed: This work was reviewed and scrutinised by relevant independent experts. Current radiation levels don't appear to be causing severe chronic damage in Chornobyl's green tree frogs which ...

Peer-reviewed: This work was reviewed and scrutinised by relevant independent experts. President Trump's tweets during the January 6 insurrection in the US capital predicted the levels of violence and ...

Peer-reviewed: This work was reviewed and scrutinised by relevant independent experts. Simulation/modelling: This type of study uses a computer simulation or mathematical model to predict an outcome.

Peer-reviewed: This work was reviewed and scrutinised by relevant independent experts. Meta-analysis: This type of study involves using statistics to combine the data from multiple previous studies to ...

Not peer-reviewed: This work has not been scrutinised by independent experts, or the story does not contain research data to review (for example an opinion piece). If you are reporting on research ...

Peer-reviewed: This work was reviewed and scrutinised by relevant independent experts. Randomised controlled trial: Subjects are randomly assigned to a test group, which receives the treatment, or a ...

Peer-reviewed: This work was reviewed and scrutinised by relevant independent experts. Observational study: A study in which the subject is observed to see if there is a relationship between two or ...

Peer-reviewed: This work was reviewed and scrutinised by relevant independent experts. Observational study: A study in which the subject is observed to see if there is a relationship between two or ...

Peer-reviewed: This work was reviewed and scrutinised by relevant independent experts. Observational study: A study in which the subject is observed to see if there is a relationship between two or ...

Peer-reviewed: This work was reviewed and scrutinised by relevant independent experts. Observational study: A study in which the subject is observed to see if there is a relationship between two or ...