The Doctor’s World: At Meeting on AIDS, Focus Shifts to Long Haul

At the 17th International AIDS Conference in Mexico City, there were renewed calls for strong advocacy and financing to sustain gains already made.

Posted on Tuesday, August 19, 2008 3:11 PM at NYT > Science

Out of Commission Above Water, but Not Below It

The U.S.S. Oriskany was sunk by the Navy in May 2006 under a pilot program to convert decommissioned vessels into artificial reefs.

Posted on Tuesday, August 19, 2008 2:06 PM at NYT > Science

The Struggle to Measure Cosmic Expansion

Astronomers have made the most precise measurements yet of the Hubble constant, which measures how fast the universe is growing.

Posted on Tuesday, August 19, 2008 12:18 PM at NYT > Science

Infected Galápagos Penguins Could Get Avian Malaria

There has been a sharp increase in invasive insects in the Galápagos as tourism to the area grows.

Posted on Tuesday, August 19, 2008 11:22 AM at NYT > Science

A Conversation With Nina V. Fedoroff: An Advocate for Science Diplomacy

Nina V. Fedoroff is science adviser to the secretary of state and contends that genetically modified foods help the environment.

Posted on Tuesday, August 19, 2008 12:43 AM at NYT > Science

Wrinkle Removers, Backed by Science

Over the past decade, researchers have been learning which treatments for wrinkles work, and why.

Posted on Tuesday, August 19, 2008 12:31 AM at NYT > Science

Cases: Looking Squarely at Death, and Finding Clarity

We all expect to go, but few people are certain about their fate.

Posted on Tuesday, August 19, 2008 12:29 AM at NYT > Science

Observatory: Razzle Dazzle Markings Can Confuse Predators

New research suggests that prey with dazzle markings were also difficult to catch, particularly when they moved at higher speeds.

Posted on Tuesday, August 19, 2008 12:11 AM at NYT > Science

Observatory: In Lake, Photosynthesis Relies on Arsenic

Researchers have discovered bacteria that use the toxic element arsenic in photosynthesis in the absence of oxygen.

Posted on Tuesday, August 19, 2008 12:10 AM at NYT > Science

Basics: Life Is Short...

One chameleon species has a life span of about a year, and a life history more like that of a flowering plant than a lizard.

Posted on Monday, August 18, 2008 11:04 PM at NYT > Science