Apple gambles on iPhone 7 without headphone jack – plus new Apple Watch and Mario

New design paired with release of AirPods that represents characteristic gamble for tech firm in bid to outpace rivals and usher in wireless listening

Astronaut coffee and DIY heart surgery – Designs of the Year unveiled

Ikea’s flat-pack refugee shelter, an online sexual health test and Taipei’s scooter share among ideas to go on show at London’s new Design Museum

Microplastics should be banned in cosmetics to save oceans, MPs say

Environmental audit committee calls for ban after hearing that microbeads harm marine life and enter the food chain

The deep ocean: plunging to new depths to discover the largest migration on Earth

The deep ocean makes up 95% of Earth, yet only 0.0001% has been explored – the Guardian joined a mission off Bermuda looking deeper than ever before

Video: a dive into Bermuda’s hidden depths

Large cruise ship voyage through Arctic ice rekindles rows

Campaigners say Crystal Serenity trip puts at risk very environment tourists are travelling to see in Northwest Passage

Bulgari’s €1.5m restoration of Rome’s Spanish Steps hit by delays

Economic woes and bureaucracy hold up work on city’s attraction, leaving it closed at height of tourist season