Guest Thinkers — October 18, 2011

Bloggingheads on Yemen

A weekly newsletter featuring the biggest ideas from the smartest people

Last Thursday I recorded a bloggingheads session on Yemen with Afrah Nasser. In the 43-minute video we talked about the current stalemate in Sanaa and what, if anything, can be done to help show Salih the door.

You can watch the video here.

A weekly newsletter featuring the biggest ideas from the smartest people

Grayscale image showing a flying object captured on radar screen with various data markings.

13.8

New UFO hearings continue an “endless loop” of sensation

Astronomer Adam Frank asks: With so many extraordinary claims, why can’t anybody produce the proof?

Starts With A Bang

Political realities do not change scientific ones

In partisan political times, recognizing the scientific truth is more important than ever. Scientists must be vocal and clear about reality.

A robotic prosthetic arm with visible internal mechanisms, wires, and a mechanical hand. Labels such as "SFU" and "BESOM" are visible on the arm casing.

The Present

The Cybathlon: Bionic athletes compete for the gold — and push assistive technologies forward

In the international competition, people with physical disabilities put state-of-the-art devices to the test as they race to complete the tasks of everyday life.