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Measuring the universe’s ‘exit door’For the first time, an international team has measured the radius of a black hole.

How attention helps you rememberNew study finds long-overlooked cells help the brain respond to visual stimuli.

A brain beyond bordersMIT senior Victoria Okuneye traveled to Mexico and Jamaica to pursue her passions for neuroscience and global service.

Oscillating microscopic beads could be key to biolab on a chipMIT team finds way to manipulate and measure magnetic particles without contact, potentially enabling multiple medical tests on a tiny device.

Automatic building mapping could help emergency respondersA prototype sensor array that can be worn on the chest automatically maps the wearer’s environment, recognizing movement between floors.

‘We are all in this great enterprise together’In his inaugural address, President L. Rafael Reif aims MIT on a course to shape new directions in education.

Innovation in the classroom‘Future of Education’ symposium, held before the inauguration of President L. Rafael Reif, examines the evolution of teaching and learning.

MIT’s place in the worldInaugural symposium addresses the Institute’s global engagement.

Inauguration festivities off to a stimulating startInnovation symposium touches on a dizzying array of topics, with themes of interdisciplinary collaboration, energy and innovation for the developing world.

NASA-JPL director Charles Elachi talks about latest Mars missionCuriosity is the most ambitious planetary rover mission ever, but it’s just one of the many exploratory projects JPL is undertaking.

Explained: Femtoseconds and attosecondsAs electronic and optical devices get ever faster, terms for ever-smaller increments of time are coming into wider use.

Watching electrons move at high speedNew MIT system allows femtosecond-resolution movie of electrons in a topological insulator, a promising new electronic material.

When it rains, it poursStudy estimates rate of intensification of extreme tropical rainfall with global warming.

3 Questions: Violence and protests in the Muslim worldMIT political scientist Fotini Christia talks about the attacks on U.S. and Western embassies in North Africa and the Middle East.

Probing matters of the heartNew study of stem cell differentiation could help researchers better understand the genetic basis of heart disease.

Getting (drugs) under your skinUsing ultrasound waves, researchers boost skin’s permeability to drugs.

Tracking stem cell reprogrammingBiologists reveal genes key to development of pluripotency, in single cells.

In profile: Chris ZegrasMIT urban planner builds tools that help designers make cities cleaner and greener.

How to clean up oil spillsMIT researchers devise a surprisingly simple but effective method for magnetically separating oil and water.

Preview of an inaugurationIn addition to marking the beginning of L. Rafael Reif’s term as MIT’s 17th president, the festivities will celebrate the MIT community’s ethic of service.