The observed motion was small, and we could not duplicate it without the presence of dark energy. When we added the dark energy, we got a perfect match.

Adding dark energy changes the equation that describes the speed at which the universe expands with time and the growth of density perturbations.

We studied the properties of galaxies close to the Milky Way instead of looking billions of light years away. It's like traveling from Seattle to Portland, Ore., rather than from Seattle to New York, to measure the Earth's curvature.

The soundtrack to Indecent Exposure is a romantic mix of music that I know most women love to hear, so I never keep it far from me when women are nearby.

The soundtrack to Indecent Exposure is a romantic mix of music that I know most women love to hear, so I never keep it far from me when women are nearby.

Del Piero manages to have an immediate impact in the game when he comes on as a substitute. He doesn't need time to become an important factor in the game. There are not many players around who can do that so effectively.