Tag: ichthyology

  • Health

    Fish in depth

    The renovated fish gallery at the Harvard Museum of Natural History, open as of June 2, includes displays that explain both fish biology and the science being conducted on the topic at Harvard.

    5 minutes
  • Health

    A swimsuit like shark skin? Not so fast

    Experiments conducted in a Harvard lab reveal that, while sharks’ sandpaperlike skin does allow the animals to swim faster and more efficiently, the structure of some high-tech swimsuits has no effect when it comes to reducing drag as swimmers move through the water.

    5 minutes
  • Science & Tech

    How fish swim

    Scientists have long believed that sunfish, perch, trout, and other such bony fish propel themselves forward with the movement of their tails, while their dorsal and anal fins — the fins on their tops and bottoms — work primarily as stabilizers.

    2 minutes
  • Health

    Study shows benefits of eating fish greatly outweigh risks

    Many studies have shown the nutritional benefits of eating fish (finfish or shellfish). Fish is high in protein and omega-3 fatty acids. But concerns have been raised in recent years…

    1 minute
  • Science & Tech

    Newly found species fills evolutionary gap between fish and land animals

    Paleontologists have discovered fossils of a species that provides the missing evolutionary link between fish and the first animals that walked out of water onto land about 375 million years…

    1 minute
  • Campus & Community

    Warnings about fish consumption and mercury overstated

    A comparison of the risks and benefits of fish consumption suggests that government advisories warning women of childbearing age about mercury exposure should be issued with caution. The study warns…

    2 minutes
  • Campus & Community

    Scientists show how fish save energy by swimming in schools

    Researchers at Harvard University and the Massachusetts Institute of Technology have provided new insights into the hydrodynamic benefits fish reap by swimming in schools. “The annual upstream voyage of fish…

    1 minute
  • Health

    Men can reduce stroke risk by eating fish

    Researchers tracked the diet and health outcomes of more than 43,000 male participants for 12 years. Using detailed food frequency questionnaires, participants were asked how often they ate fish, ranging…

    1 minute
  • Science & Tech

    Researchers regenerate zebrafish heart muscle

    A research team led by Mark T. Keating showed that zebrafish can regenerate heart muscle within two months after a severe injury. The team, from the Howard Hughes Medical Institute…

    1 minute
  • Health

    Fish may reduce risk of stroke in women

    “Our research suggests that women can reduce their risk of thrombotic stroke by up to 48 percent by eating fish two to four times per week,” said Kathryn M. Rexrode,…

    1 minute
  • Health

    Understanding how fish swim

    The pattern is hard to see at first because the movement seems to happen in the blink of an eye.

    1 minute