All Stories

Health & Medicine

Small study hints SSRIs delay breast milk in new moms

Women taking the antidepressant drugs began lactating later.

Health & Medicine

Body fat linked to late puberty in boys

Boys can take a lot of ribbing from their peers for not being macho enough. A new study now indicates that it can take longer to begin transforming into a man if a boy starts out fat.

Space

Ancient dawn’s early light refines age of universe

Satellite images reveal new aspects of Big Bang’s relic radiation.

Earth

The FY 2011 budget: So much for transparency

Cabinet officials and other administration leaders met with reporters yesterday to outline the President’s Fiscal Year 2011 federal budget. That spending blueprint includes $147-billion-and-change for research and development programs. But in contrast to past years, details tended to be skimpy today — and any chance for followup or verification of apparent trends has proven more difficult than usual.

Science & Society

A modest proposal for federal science spending

President’s proposed FY 2011 budget outlines 5.9 percent increase in nondefense-related research and development funding.

Life

Skin cells transformed directly into neurons

Researchers making neurons bypass the need to revert cells to an embryonic state.

Paleontology

Reverbs of bat echolocation studies

Ancient bat may well have used sound waves to sense the world, Sid Perkins reports in the latest Deleted Scenes blog.

Life

Keeping black bears wild

Wildlife managers compare ways to keep bears away from food and people.

Chemistry

Self-stirring liquids

Chemistry, not force, leads to fluid flow, mixes solution.

Archaeology

Skeleton of Western man found in ancient Mongolian tomb

A genetic analysis of a skeleton from an ancient Asian tomb illuminates the spread of Indo-Europeans.