Mapping the energetic landscape of solar cells

A new spectroscopic method now makes it possible to measure and visualize the energetic landscape inside solar cells based on organic materials. It was developed by a research team led by Prof. Dr. Yana Vaynzof, a physicist ...

How bird feather patterns form

Feathers evolved in dinosaurs and are a key characteristic of birds today. They are arranged in a precise hexagonal pattern in a bird's skin, but it has been unclear how this happens. According to a new study published February ...

Cold atoms offer a glimpse of flat physics

These days, movies and video games render increasingly realistic 3-D images on 2-D screens, giving viewers the illusion of gazing into another world. For many physicists, though, keeping things flat is far more interesting.

Where will future migrants come from?

In times of desperation—after a hurricane flattens a community, for example, or droughts cause widespread hunger—people inevitably search for better lives and better opportunities elsewhere. In some cases, migrants may ...

Mapping movements of ocean creatures great and small

A whale and a turtle differ in size, shape and lifestyle but their patterns of movement are surprisingly similar, reveals the largest collection of movement data for a diverse group of large marine vertebrates.

Where the few jaguars still alive are hiding

The survival of the jaguar (Panthera onca) is critically endangered in Brazil. Scientists have recently found signs that there are only about 300 of these top predators left in the biome—a tiny number. There are many reasons ...

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