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Karina

Karina
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Fishing selects small, shy fish for survival

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Fishing primarily removes larger and more active fish from populations. It thus acts as a selection factor that favors shy fish, as a recent...

Polymer film protects from electromagnetic radiation, signal interference

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As electronic devices saturate all corners of public and personal life, engineers are scrambling to find lightweight, mechanically stable, flexible, and easily manufactured materials...

Graphene oxide membranes could reduce paper industry energy costs

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The U.S. pulp and paper industry uses large quantities of water to produce cellulose pulp from trees. The water leaving the pulping process contains...

Tweaking corn kernels with CRISPR

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Corn—or maize—has changed over thousands of years from weedy plants that make ears with less than a dozen kernels to the cobs packed with...

New dating techniques reveal Australia’s oldest known rock painting, and it’s...

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A two-meter-long painting of a kangaroo in Western Australia's Kimberley region has been identified as Australia's oldest intact rock painting. Using the radiocarbon dating of 27 mud...

Unfortunate timing and rate of change may be enough to tip...

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Imagine abrupt shifts of the tropical monsoons, reductions in Northern Hemisphere rainfall, and strengthening of North Atlantic storm tracks within decades. These are some...

Researchers grow artificial hairs with clever physics trick

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Things just got hairy at Princeton. Researchers found they could coat a liquid elastic on the outside of a disc and spin it to form...

DNA from 360,000-year-old bone reveals oldest non-permafrost genome

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Scientists have successfully sequenced the genome of an extinct cave bear using a 360,000-year-old bone—the oldest genome of any organism from a non-permafrost environment. The...

Researchers find a single-celled slime mold with no nervous system that...

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Having a memory of past events enables us to take smarter decisions about the future. Researchers from the Max Planck Institute for Dynamics and...

The magic angle of twisted graphene

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Graphene, a two-dimensional material composed exclusively of carbon, has revealed extraordinary properties, including thermal and electrical conductivity, transparency, and flexibility. When combined, these properties...

Lack of symmetry in qubits can’t fix errors in quantum computing,...

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A team of quantum theorists seeking to cure a basic problem with quantum annealing computers—they have to run at a relatively slow pace to...