Scientists have developed a forensic spray using a protein found in jellyfish that shows up fingerprints in just 10 seconds. They say that the dye spray could make forensic investigations quicker and more effective. It is also water-soluble and has low toxicity. Traditional forensic methods either use toxic powders that can harm DNA evidence or petrochemical solvents that are bad for the environment, the sale of which is increasingly restricted. The dyes in the spray are based on a fluorescent compound called green fluorescent protein (GFP), which has previously revolutionised…
Tag: Forensic Science
Your Monday Briefing: A ‘Toothless’ Trip to Xinjiang
Good morning. We’re covering the U.N. human rights chief’s trip to China, India’s expanded protections for sex workers and Ukraine’s offensive in Kherson. U.N.’s tempered criticism of China The United Nations’ top human rights official spent six days in China, offering only limited criticism of China’s crackdown on predominantly Muslim minorities. Michelle Bachelet said that her visit “was not an investigation,” and that she had raised questions about China’s application of “counterterrorism and de-radicalization measures” when she spoke by video with Xi Jinping, China’s leader. In so doing, Bachelet couched…