14/09/2021

Hand and footprint art dates to mid-Ice Age

An international collaboration has identified what may be the oldest work of art, a sequence of hand and footprints discovered on the Tibetan Plateau. The prints date back to the middle of the Pleistocene era, between 169,000 ...

Flipping the 'genetic paradox of invasions'

The green crab, Carcinus maenas, is considered a globally distributed invasive species, an organism introduced by humans that eventually becomes overpopulated, with increased potential to negatively alter its new environment. ...

Study reveals how ribosomes are assembled in human cells

All cells need ribosomes to make the proteins necessary for life. These multi-component molecular machines build complex proteins by stitching building blocks together according to instructions encoded in the cell's messenger ...

Stronger lettuce stems are a key part of disease resistance

Lettuce drop is a lettuce disease that results in browning or wilting of leaves, plant collapse, and death. The disease has not been well-researched, but a new study shows that a stronger stem increases resistance to lettuce ...

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