Subscribe
 

ScienceNow

  • 19 May 1997

    Yesterday would have been the 94th birthday of Frits Went, a Dutch-born American botanist who discovered the role of the plant hormone auxin and paved the way for the development of weed killers, fertilizers, and genetically engineered crops.

  • 19 May 1997

    Worried that business secrecy may undermine scientific cooperation, an international group of geneticists last week appealed for a change of European patent policies to encourage scientists to release sequence data as quickly as robotic sequencing machines spew the information out.

  • 19 May 1997

    Light is a great way to transmit information, but its speedy photons are difficult to slow down when signals must be delayed, for example, to be stored for brief times in optoelectronic circuits.

  • 19 May 1997

    TOKYO--A Japanese mission to sample a small asteroid got a boost last week when NASA announced it would contribute a robotic rover and ground support.

  • 16 May 1997

    A theoretical physicist who helped lead the U.S. effort to develop the atom bomb has launched an appeal for an end to all federal funding for new nuclear weapons.

  • 16 May 1997

    When the possible existence of an exotic new particle called a leptoquark was announced earlier this year by researchers in Germany, other physicists rushed to try and corroborate their results.

  • 16 May 1997

    The skull of what may be the biggest meat-eating dinosaur ever found confirms that the southern continents were once a single huge stomping ground for dinosaurs.

  • 16 May 1997

    In a speech on Sunday in Baltimore, President Clinton is expected to ask researchers to develop an AIDS vaccine within 10 years.

  • 15 May 1997

    Forty-four years ago today, American chemist Stanley Miller gave a jolt to the debate on the origins of life with the publication in Science of his famous paper, "A Production of Amino Acids Under Possible Primitive Earth Conditions." Miller tested the hypothesis that life's chemical build

  • 15 May 1997

    A highly contagious poultry virus has infected penguins in Antarctica. It is the first known transmission of a "foreign" disease to wildlife on the icy continent.

  • 15 May 1997

    Funding problems in Russia have led to an 8-month delay in the planned launch of the first pieces of the international space station. The initial launch will now occur in June 1998, NASA announced today.

  • 15 May 1997

    Scientists have cloned the first biological "clock" gene from a mammal.

  • 14 May 1997

    Some scrounging in the basements of the University of Munich has turned up brain samples from the first patient known to be correctly diagnosed with Alzheimer's disease.

  • 14 May 1997

    In an ambitious bid to put a price tag on Mother Nature, a group of conservation-minded ecologists and economists has estimated that it would cost $33 trillion per year to replace the Earth's "ecosystem services": environmental resources such as fresh water and soil, and processes such as climate

  • 14 May 1997

    Quick reactions from astronomers last week may have settled a long-standing debate in astrophysics: the origin of the mysterious flashes of energy called gamma-ray bursts.

  • 14 May 1997

    Genetic tests for mutations in the so-called breast cancer genes, BRCA1 and BRCA2, may not reveal as much about cancer risk as earlier reports have estimated, according to two studies published in tomorrow's New England Journal of Medicine.

  • 13 May 1997

    The discoverer of the Earth's inner core, Danish geophysicist Inge Lehman, was born on this day in 1888. After studying the shock waves from earthquakes recorded on seismographs, Lehman proposed that Earth has a smaller, solid inner core.

  • 13 May 1997

    The number and shape of moles on your skin may signal your risk of malignant melanoma, the most dangerous type of skin cancer.

  • 13 May 1997

    WASHINGTON--The Department of Energy (DOE) will delay for 11 days the start of extensive construction on a major laser facility to allow a federal court to hold a hearing on a legal challenge to the $1.2 billion project.

  • 13 May 1997

    Is anger by any other name still anger? Yes, according to a group of anthropologists who have analyzed several pairs of words connoting emotion in English and Japanese.

  • 13 May 1997

    In a surprising move, the California Institute of Technology announced today that it has named Nobel Prize-winning virologist David Baltimore as its new president.

  • 12 May 1997

    The G7 countries and Ukraine have agreed on a plan to reduce the risk of a second explosion at the Chernobyl nuclear power plant's destroyed reactor.

  • 12 May 1997

    WASHINGTON, D.C.--NASA today offered a look at the first fruits of two new instruments installed aboard the Hubble Space Telescope (HST) during February's servicing mission.

  • 12 May 1997

    Scientists have discovered why a single mutated protein can lead to serious mental retardation in men with a common genetic disorder called fragile-X syndrome: The healthy protein is essential for establishing during childhood the adult pattern of connections between nerve cells in the brain.

  • 9 May 1997

    Dorothy Crowfoot Hodgkin, a British x-ray crystallographer who won the 1964 Nobel Prize in chemistry for her cutting-edge work determining the molecular structures of complex organic molecules, was born on 10 May 1910.

Pages