Steve Barton of Terrifier 2 on why their horror film may create a physical reaction – such as throwing up - as cinemas offer sick bags to audiences. TikTok's introducing an adults-only option for live streams, and why strict parenting may hard-wire the risk of depression into a child’s DNA. Also in this episode:

• Activision (behind Call of Duty and Crash Bandicoot) may use AI to generate music for games
• Researchers say ‘girls routinely get better grades than boys in class’ – why?
• Sound cues during sleep could help people forget specific memories
• Scientists find Europeans were consuming milk 7,400 years ago
• Motorola’s teasing a rollable concept phone

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