The World Bank and its partners need to do a far better job of considering the environmental effects of projects they finance in poor countries, its internal review group said.

CASTING A WIDE NET Dwayne Spradlin, president of InnoCentive.

INTRUSIONS The Rocky Mountain Biological Laboratory in Gothic, Colo., is one of many research sites experiencing growth in tourism.

COUNTING CALORIES For a longevity study, this mouse is on a restricted diet.

CONTROVERSIAL Scene from “The Great Global Warming Swindle.”

DRUG PROBLEM Patients in a program for heroin addiction in Yekaterinburg, Russia, run by a nongovernmental group.

BUGGED Rampa Rattanarithikul at her museum in northern Thailand.

The rise in tuberculosis cases in Eastern Europe and the former Soviet Union is associated with the receipt of loans from the fund, a new study has found.

An iceberg in Antarctica, the site of research on scouring the seafloors.

A picture of a mother’s own smiling baby activates reward-processing regions of her brain much more strongly than seeing a picture of an unknown baby, a new study shows.

In Pakistan, more men than women are reported to be infected with the AIDS virus, but the country’s taboos about sex make it very difficult to address the epidemic.

The upsurge among young women, a new study indicates, parallels reports of increased exposure to ultraviolet radiation from sunburn and the use of tanning beds.

Women exposed to high levels of polychlorinated biphenyl are significantly less likely to give birth to boys, according to a new study.

Lyall Watson’s interests and studies included anthropology, ethology, chemistry and botany.

A dwarf planet orbiting beyond Neptune has been designated the third plutoid in the solar system and given the name Makemake.

A federal bureau has a captive herd of 30,000 mustangs and is proposing a euthanasia program.

Peter Kaufmann of Brighton, left, shows off the energy-efficient Raindance shower. Right, Mr. Kaufmann and Sigrid Stagl installed new windows in their old row houses.

Al Gore and the House speaker, Nancy Pelosi, at the Netroots Nation conference.

Hubble images show that the Baby Red Spot on Jupiter, at left in first frame, has moved and seems to have been caught up in the Great Red Spot.

To the Editor:.

To the Editor:.