Sinopsis

In-depth news about mathematics, physics, biology and computer science.

Episodios

  • Hidden Computational Power Found in the Arms of Neurons

    Hidden Computational Power Found in the Arms of Neurons

    22/10/2020 Duración: 17min

    The dendritic arms of some human neurons can perform logic operations that once seemed to require whole neural networks.

  • Neutrinos Lead to Unexpected Discovery in Basic Math

    Neutrinos Lead to Unexpected Discovery in Basic Math

    08/10/2020 Duración: 17min

    Three physicists stumbled across an unexpected relationship between some of the most ubiquitous objects in math.

  • Machines Beat Humans on a Reading Test. But Do They Understand?

    Machines Beat Humans on a Reading Test. But Do They Understand?

    24/09/2020 Duración: 31min

    A tool known as BERT can now beat humans on advanced reading-comprehension tests. But it's also revealed how far AI has to go.

  • How Jurassic Plankton Stole Control of the Ocean’s Chemistry

    How Jurassic Plankton Stole Control of the Ocean’s Chemistry

    10/09/2020 Duración: 16min

    Only 170 million years ago, new plankton evolved. Their demand for carbon and calcium permanently transformed the seas as homes for life.

  • To Pay Attention, the Brain Uses Filters, Not a Spotlight

    To Pay Attention, the Brain Uses Filters, Not a Spotlight

    27/08/2020 Duración: 19min

    A brain circuit that suppresses distracting sensory information holds important clues about attention and other cognitive processes.

  • Fossil DNA Reveals New Twists in Modern Human Origins

    Fossil DNA Reveals New Twists in Modern Human Origins

    12/08/2020 Duración: 20min

    Modern humans and more ancient hominins interbred many times throughout Eurasia and Africa, and the genetic flow went both ways.

  • For Embryo’s Cells, Size Can Determine Fate

    For Embryo’s Cells, Size Can Determine Fate

    30/07/2020 Duración: 15min

    Modeling suggests that many embryonic cells commit to a developmental fate when they become too small to divide unevenly anymore.

  • Scientists Debate the Origin of Cell Types in the First Animals

    Scientists Debate the Origin of Cell Types in the First Animals

    16/07/2020 Duración: 18min

    Theories about how animals became multicellular are shifting as researchers find greater complexity in our single-celled ancestors.

  • Wandering Space Rocks Help Solve Mysteries of Planet Formation

    Wandering Space Rocks Help Solve Mysteries of Planet Formation

    02/07/2020 Duración: 15min

    After an interstellar asteroid shot past the sun, scientists realized that there’s probably a lot of itinerant rocks out there.

  • Random Surfaces Hide an Intricate Order

    Random Surfaces Hide an Intricate Order

    18/06/2020 Duración: 12min

    Mathematicians have proved that a random process applied to a random surface will yield consistent patterns.

  • Where We See Shapes, AI Sees Textures

    Where We See Shapes, AI Sees Textures

    04/06/2020 Duración: 15min

    To researchers’ surprise, deep learning vision algorithms often fail at classifying images because they mostly take cues from textures, not shapes.

  • What’s in a Name? Taxonomy Problems Vex Biologists

    What’s in a Name? Taxonomy Problems Vex Biologists

    21/05/2020 Duración: 25min

    Researchers struggle to incorporate ongoing evolutionary discoveries into an animal classification scheme older than Darwin.

  • Bacterial Complexity Revises Ideas About ‘Which Came First?’

    Bacterial Complexity Revises Ideas About ‘Which Came First?’

    07/05/2020 Duración: 20min

    Contrary to popular belief, bacteria have organelles too. Scientists are now studying them for insights into how complex cells evolved.

  • Ancient DNA Yields Snapshots of Vanished Ecosystems

    Ancient DNA Yields Snapshots of Vanished Ecosystems

    29/05/2019 Duración: 24min

    Surviving fragments of genetic material preserved in sediments allow scientists to see the full diversity of past life — even microbes.

  • Computer Scientists Expand the Frontier of Verifiable Knowledge

    Computer Scientists Expand the Frontier of Verifiable Knowledge

    23/05/2019 Duración: 16min

    The universe of problems that a computer can check has grown. The researchers’ secret ingredient? Quantum entanglement.

  • The Hidden Heroines of Chaos

    The Hidden Heroines of Chaos

    20/05/2019 Duración: 19min

    The story of the birth of chaos theory has left out two programming pioneers.

  • Heat-Loving Microbes, Once Dormant, Thrive Over Decades-Old Fire

    Heat-Loving Microbes, Once Dormant, Thrive Over Decades-Old Fire

    16/04/2019 Duración: 28min

    In harsh ecosystems around the world, microbiologists are finding evidence that “microbial seed banks” protect biodiversity from changing conditions.

  • Scientists Discover Exotic New Patterns of Synchronization

    Scientists Discover Exotic New Patterns of Synchronization

    04/04/2019 Duración: 23min

    In a world seemingly filled with chaos, physicists have discovered new forms of synchronization and are learning how to predict and control them.

  • Cryptography That Is Provably Secure

    Cryptography That Is Provably Secure

    02/04/2019 Duración: 11min

    Researchers have just released hacker-proof cryptographic code — programs with the same level of invincibility as a mathematical proof.

  • The Math That Tells Cells What They Are

    The Math That Tells Cells What They Are

    13/03/2019 Duración: 17min

    During development, cells seem to decode their fate through optimal information processing, which could hint at a more general principle of life.

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