Physical Sciences

  • Kang finds keys to control the ‘driver of cancer’s aggressiveness’

    Thursday, Sep 17, 2020
    by Liz Fuller-Wright, Office of Communications

    “Do not erase.” “Recycle me.” “Free to a good home.” Humans post these signs to indicate whether something has value or not, whether it should be disposed of or not. Inside our cells, a sophisticated recycling system uses its own enzymatic signs to flag certain cells for destruction — and a different set of enzymes can remove those flags.

  • Hyster and Macmillan report new platform for stereocontrol

    Thursday, Aug 27, 2020
    by Wendy Plump, Department of Chemistry

    A collaboration between two Department of Chemistry labs has yielded a striking new platform that allows chemists to reinterpret the rules of stereochemistry and stereocontrol with important implications for the pharmaceutical and agrochemical industries.

  • From muddy boots to mathematics: Advancing the science of ecosystems and biodiversity

    Friday, Aug 14, 2020
    by Morgan Kelly, Princeton Environmental Institute

    Princeton’s vital research across the spectrum of environmental issues is today and will continue to be pivotal to solving some of humanity’s toughest problems. Our impact is built on a long, deep, broad legacy of personal commitment, intellectual leadership, perseverance and innovation. This article is part of a series to present the sweep of Princeton’s environmental excellence over the past half-century.

  • The worm in the bud: Do parasites interfere with immunization? 

    Monday, Jul 27, 2020
    by Liana Wait, Department of Ecology and Evolutionary Biology

    Vaccines are one of the most important tools we have in our defense against infectious diseases, but not everyone responds to vaccination in the same way. Parasites such as worms and viruses change the way a person or animal’s immune system functions, and this can affect their ability to respond to vaccines. 

  • Complex developmental patterns are under the control of surprisingly simple signals

    Thursday, Jul 23, 2020
    by Caitlin Sedwick for the Department of Molecular Biology

    Proper embryonic development of the fruit fly Drosophila melanogaster is governed by patterns of protein activity bequeathed to the fertilized egg by its mother. While the embryo is still a single cell, the maternal cells surrounding it deposit certain proteins inside it at specific locations. This establishes protein gradients that direct the development of embryonic features along its anterior-posterior and ventral-dorsal axes. Later, the embryo receives another round of maternal information, called terminal patterning, that guides the development of its head and tail.

  • A taste for humans: How disease-carrying mosquitoes evolved to specialize in biting us

    Thursday, Jul 23, 2020
    by Jerimiah Oetting for the Office of the Dean for Research

    There are two paths. One leads to the arm of Noah Rose, a postdoctoral research fellow at Princeton University. The other leads to a guinea pig.

    For some species of mosquitoes, their preference for humans reveals something about their evolution — and the ecology of their ancestral homes. New research, published July 23 in the journal Current Biology, identifies the genetic components underlying Aedes aegypti mosquitoes’ affinity for humans and indicates that their human-seeking behavior can be traced to two environmental conditions: climate and urbanization.

  • Astrophysicist Adam Burrows wins international prize for brown dwarf and exoplanet research

    Thursday, Jul 23, 2020
    by Liz Fuller-Wright, Office of Communications

    The Republic of Armenia announced on July 18 that Princeton astrophysicist Adam Burrows is one of three recipients of the Viktor Ambartsumian International Science Prize “for his seminal and pioneering contributions to the theories of brown dwarfs and exoplanets and for his leadership role in educating a generation of scientists at the frontiers of brown dwarf and exoplanet research.”

  • New view of nature’s oldest light adds fresh twist to debate over universe’s age

    Wednesday, Jul 15, 2020
    by The Office of Communications

    From a mountain high in Chile’s Atacama Desert, astronomers with the National Science Foundation’s Atacama Cosmology Telescope (ACT) have taken a fresh look at the oldest light in the universe. Their new observations plus a bit of cosmic geometry suggest that the universe is 13.77 billion years old, give or take 40 million years.

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