Less than twenty-four hours after issuing a defiant address to the nation in which he pledged to serve out the remainder of his term, Hosni Mubarak has formally resigned the Egyptian presidency.

FORBES: After Mubarak, The Deluge

Four properties - two residential addresses and a business address in north-west London, and a residential address in west London - have been searched and no hazardous materials have been found, he said.

BBC: Abu Qatada detained over alleged bail breach

Nextdoor verifies each person's address by using one of four methods: credit- or debit-card number, landline phone number, mobile-phone number or by mailing a postcard that includes an invite code.

WSJ: Nextdoor Review: Social Network Brings Neighbors Together

But that launch too was less than perfect, with technicians during the final days before liftoff deciding to trim off four feet of rocket-motor nozzle extensions with metal shears to address an unexpected problem with cracking.

FORBES: The Case Against SpaceX, Part II

Following the opening address, the 100-plus participants circulated through four stations led by Edmunds.com employees.

FORBES: Should Car Buying Be Like Online Dating Versus a Dental Visit?

The Columbia Business School and London Business School found one way to address that problem for their joint program: holding four-day sessions once a month, four to a term.

WSJ: An Executive M.B.A. With a Global Flavor

In his address last week on the state of international affairs, Retired four-star General Stan McChrystal said that millennials are struggling to translate their skills to the business world.

FORBES: Millennials Will Inherit The Earth

As IDAHO day is marked by activities in schools, the IDAHO Committee and UNESCO have co-developed a lesson plan which includes four classroom activities for different age groups (primary and secondary level) to address issues of discrimination and homophobic bullying.

UNESCO: WORLDWIDE