What are the roadblocks to successful scientific replications? | Pete Etchells

Replication is the bedrock of science. But what happens when a scientist can’t – or won’t – share the experimental materials that allow it? It’s a simple question, but one that’s essential to science: if I repeat an experiment, how reliably can I get the same result? But it’s a question that you can’t ask without the right materials. It’s like baking a cake – if you’re not given enough instructions in the recipe, or told what sort