Science

Research suggests a more complex evolution and spread of modern humans

By Walter Gilberti, April 20, 2002

New research into the genetic pedigree of modern humans may lead to a modification of the widely accepted “out of Africa” theory that explains the origin and worldwide expansion of people,...

A significant technical advance

First self-contained mechanical heart implanted in the US

By Perla Astudillo, August 6, 2001

Doctors in Louisville, Kentucky successfully transplanted the world’s first self-contained mechanical heart, known as AbioCor, into a diabetic middle-aged man on July 3. In a major achievement f...

Ancient city dated as oldest in Americas

By Sandy English, May 26, 2001

A team of American and Peruvian anthropologists has announced that the city of Caral, 120 miles north of the Peruvian capital of Lima, is the oldest city in the Americas. A radiocarbon analysis has de...

A remarkable achievement for mankind

Scientists release a map of the human genome

By Frank Gaglioti, February 28, 2001

On February 12, scientists from the publicly-funded Human Genome Project (HGP) and Celera Genomics, a privately-funded biotechnology company, released what they termed “an initial working draft ...

Nobel prize awarded for research into the nervous system, memory and mood

By Perla Astudillo, October 26, 2000

This year's Nobel Prize for Physiology or Medicine was awarded to three prominent scientists—Arvid Carlsson, Paul Greengard and Eric Kandel—for their ground-breaking work in unravelling th...

Isaac Newton's papers up for sale

By Ann Talbot, September 26, 2000

A collection of Sir Isaac Newton's papers has been put up for sale, in what is probably the most important auction of scientific manuscripts for 70 years. The papers date from 1669, the most productiv...

Scientists find hints of ocean on Jupiter's moon

By Frank Gaglioti, September 5, 2000

National Aeronautics and Space Administration (NASA) scientists recently published tantalising evidence that Europa, one of Jupiter's 17 moons, is covered in a salty ocean underneath an icy crust. Thi...

US National Institute of Health announces new guidelines for embryo stem cell research

By Frank Gaglioti, September 4, 2000

On August 23, the National Institute of Health (NIH) published guidelines for the public funding of embryo stem cell research in the United States, an about-face of its previous position. Previously e...

Scientists achieve cellular transformation of bone marrow stem cells into nerve cells

By Frank Gaglioti, August 22, 2000

Scientists announced on 15 August that they have transformed adult bone marrow cells into nerve cells by altering the cells' environment. The implications are that scientists will be able to obtain a ...

Discovery of nine new planets extends possibility of finding extra terrestrial life

By Frank Gaglioti, August 18, 2000

Three teams of scientists announced the discovery of nine new planets outside our solar system (exoplanets) on August 7, extending the number of known exoplanets to fifty. University of California at ...

The human genome project: science, society and superstition

By Frank Gaglioti, August 15, 2000

The publication of the rough draft of the completed sequence of the human genome on June 26 was an outstanding scientific achievement, the outcome of an international collaboration spanning a decade a...

Discovery of fundamental particle concludes long-standing scientific quest

By Frank Gaglioti, August 14, 2000

On July 21 scientists at the Fermi National Accelerator Laboratory near Chicago reported the discovery of the tau neutrino, marking the conclusion of the scientific quest to discover the 12 fundamenta...