Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In 1976, workers excavating a tunnel for the Toronto subway system ...

Researchers identified a new, sticky form of mitochondrial DNA damage that builds up at dramatically higher levels than in nuclear DNA. These lesions disrupt energy production and activate ...

Scientists have created a live-cell DNA sensor that reveals how damage appears and disappears inside living cells, capturing the entire repair sequence as it unfolds. Instead of freezing cells at ...

This volume offers recommendations for handling DNA samples, performing calculations, and other aspects of using DNA as a forensic tool. It addresses two major areas - determination of DNA profiles ...

This week’s science roundup covers 2025’s near-record heat, a new mpox strain and fresh clues about why hobbits vanished 50,000 years ago. Journalist Karen Hao unpacks the rise of AI “empires,” their ...

Here you can find CCEA past papers for GCSE Physics (Single Science). Use the links below to download question papers and mark schemes (which contain the answers). If you’re unsure whether you need ...