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Johns Hopkins University


Birds Deal With "Cocktail Party Effect"

Researchers at Johns Hopkins University have found that birds can accurately pick out and concentrate on specific bird songs mixed with other songs, even during the 'dawn chorus'. This ability, known as the 'cocktail party effect', is similar to humans' ability to focus on one voice in a noisy environment.

Moving DNA Molecules With Magnetic Tweezers

Using magnetic tweezers, scientists can move DNA molecules in three dimensions, opening up possibilities for non-invasive surgical tools and targeted medicine delivery. The device works by using electromagnetic fields to manipulate iron oxide-coated beads attached to the DNA molecule, allowing precise control over movement.

Fiery Foils Could Create New Way Of Welding

Researchers at Johns Hopkins University have developed a new form of welding using highly reactive metallic films, which can bond objects at their surfaces without damaging the rest. This process is self-propagating and exothermic, requiring no oxygen to operate, making it suitable for use under water or in airless outer space.

Surprising Protein Movement Seen In Cells

Researchers at Johns Hopkins University have made a surprising discovery about the movement of proteins within the Golgi apparatus. The enzymes, which are crucial for various cellular processes, were found to be mysteriously retained in the organelle despite their rapid movement, contradicting long-held assumptions about their function.

Anthropology News Tips From Johns Hopkins

Hopkins professors Sidney Mintz, Katherine Verdery, Donald Carter, Laury Oaks, and Felicity Northcott share their research on various anthropology topics, including the complex global economy of food, cultural identity in diaspora communities, the transformation of socialist systems, nuclear cleanup efforts, Ireland's abortion debate, ...