Newly discovered process brings immune cells up to speed

Cancer cells use an unusual mechanism to migrate into new tissue and form metastases there. The same process probably also keeps some immune cells on their toes. This is the result of a recent study led by the University ...

A new field of research: Crystal traces in fossil leaves

In fossil leaves, puzzling structures are often visible under the microscope. Researchers at the University of Bonn have now been able to show for the first time that they originate from calcium oxalate crystals. On the one ...

Exploring the evolutionary benefits of bone weight

If you need to lurk at the bottom of a water body waiting for prey, it is wise to stay motionless without resisting against the buoyant forces of water. To do so you need a kind of diving belt that helps to sink. One large ...

Fish can help in the search for multiple sclerosis drugs

The zebrafish should be known to many aquarium enthusiasts, mainly because of its striking pigmentation. However, the characteristic black-blue stripes, to which the animal owes its name, only form over time. Its eyelash-sized ...

New model for analyzing color vision in aphids

Aphids are one of the least welcome garden visitors. These small insects can cause substantial damage in agriculture, but how do they actually choose their host plants? What are the basic mechanisms behind this? Researchers ...

How a harmful fungus renders its host plant defenseless

The fungus Ustilago maydis attacks corn and can cause significant damage to its host. To do this, it first ensures that the plant offers little resistance to the infection. The surgical precision it applies is shown by a ...

No trace of dark matter halos

According to the standard model of cosmology, the vast majority of galaxies are surrounded by a halo of dark matter particles. This halo is invisible, but its mass exerts a strong gravitational pull on galaxies in the vicinity. ...

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