This week on Dezeen, IKEA revealed its new furniture that can be assembled without screws and BIG launched its own in-house engineering department.

Furniture giant IKEA is doing away with screws and alley kens, and instead introducing products that snap together "like a jigsaw puzzle", it revealed this week.

Meanwhile Bjarke Ingels announced that his firm BIG is launching an engineering department to help integrate technical knowledge into its ambitious architecture projects from the outset.

Also this week, Donald Trump revealed design requirements for his Mexican border wall and a US architecture lobby proposed a walkout in protest of the controversial proposal.

RCA was named the world's top design school for third year running, beating American colleges MIT and Parsons.

Elsewhere, MVRDV revealed plans to redevelop a former US Army camp in Germany, while Daniel Libeskind completed a larch-clad cosmology centre for Durham University.

Detroit approved the timeline for SHoP Architects' Hudson department store replacement and Herzog & de Meuron announced plans to turn a derelict Brooklyn power station into a creative hub.

On International Women's Day, the Dezeen editorial team nominated 50 inspiration women in the architecture and design industry.

The same day, London's V&A museum acquired the Pussyhat, which became a symbol of the Women's March on Washington following Donald Trump's inauguration, and Nike launched a sports hijab for female Muslim athletes.

Nike also unveiled an aerodynamic shoe it hopes will get its athletes to achieve a sub-two-hour marathon.

We covered the highlights from the Geneva Motor Show, where Airbus and Italdesign unveiled plans for a modular vehicle that is part car, part drone, and Volkswagen showcased a pod-like driverless Sedric concept car.

In other automobile news, Goodyear updated its spherical tyres for self-driving cars.

In business news, Moooi co-founder Casper Vissers bought into Minimalux and Tecno acquired a majority stake in fellow Italian brand Zanotta.

Popular projects this week included an amphitheatre for levitating monks, a South African chapel with an undulating roof and a Quebec cabin raised above snowy countryside on stilts.