Technology editor Steve Caplin looks at the latest products from Apple, marvels at news of probable life on Venus, asks how you can locate human bodies in a forest, scoffs at the usability of Britbox for its main purpose, admires a face mask that incorporates air conditioning, praises scientists helping robots and amputees to feel pain, approves of the world's first portable MRI brain scanner and gushes over the Oceanbird sailing ship, providing a more environmentally-friendly freight solution.