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Human hand with white glove holding a white mouse in a green background.
Study Traces a Neural Circuit Behind Green Light–Mediated Pain Relief
A mouse study concludes color-detecting cones in the eye and a subset of neurons in the brain’s thalamus are why green light exposure has an analgesic effect.
Study Traces a Neural Circuit Behind Green Light–Mediated Pain Relief
Study Traces a Neural Circuit Behind Green Light–Mediated Pain Relief

A mouse study concludes color-detecting cones in the eye and a subset of neurons in the brain’s thalamus are why green light exposure has an analgesic effect.

A mouse study concludes color-detecting cones in the eye and a subset of neurons in the brain’s thalamus are why green light exposure has an analgesic effect.

light
Illustration of blue shiny mitochondria
Worms Live Longer with Mitochondria Powered by Light: Preprint
Alejandra Manjarrez, PhD | May 24, 2022 | 4 min read
Increasing mitochondrial activity in worms by engineering a light-activated proton pump into the organelle’s membrane extends the animals’ lifespan without evidence of health decline, according to a preprint.
sunlit coral reef
Corals and Sea Anemones Turn Sunscreen into Toxins—Understanding How Could Help Save Coral Reefs
Djordje Vuckovic and Bill Mitch, The Conversation | May 6, 2022 | 6 min read
Researchers have long suspected that an ingredient in sunscreen called oxybenzone was harming corals, but no one knew how. A new study shows how corals turn oxybenzone into a sunlight-activated toxin.
Yellow and black caterpillar crawling on a leaf in a green background
Virus Alters Caterpillars’ Vision to Trick Them into Climbing
Alejandra Manjarrez, PhD | Mar 25, 2022 | 4 min read
A study finds that a baculovirus that infects cotton bollworm larvae changes the expression of genes involved in light perception, driving them to seek heights that could favor viral transmission.
MUSCLE CONTROL: Researchers pinpoint how C. elegans (pictured) manages to expel food from its mouth.
The Science Behind How Roundworms Spit
Diana Kwon | Dec 1, 2021 | 4 min read
By viewing countless hours of expectorating worms, researchers discover a unique way in which neurons control the movement of muscles.
illustration of multiple clocks arranged in the shape of a brain
How Early-Morning Light Exposure Makes Mice Less Depressed
Bianca Nogrady | Jul 22, 2021 | 4 min read
A light-sensitive gene involved in regulating the body clock may also influence mood, mediating the effect of light.
Light Enables Long-Term Memory Maintenance in Fruit Flies
Diana Kwon | May 1, 2020 | 2 min read
Under constant darkness, Drosophila’s ability to form lasting memories is impaired.
How Manipulating Rodent Memories Can Elucidate Neurological Function
Amber Dance | May 1, 2020 | 10+ min read
Strategies to make lab animals forget, remember, or experience false recollections probe how memory works, and may inspire treatments for neurological diseases.
Infographic: Messing with a Mouse’s Memory
Amber Dance | May 1, 2020 | 3 min read
Researchers have developed ways to manipulate neurons involved in a particular memory to make mice recall an experience or to remember something that never happened.
Into the Light: A Profile of Joanne Chory
Emily Makowski | Mar 1, 2020 | 8 min read
The plant geneticist has revolutionized researchers’ understanding of how light affects plant growth and development, and is engineering plants to combat climate change.
eyed elater beetle
Image of the Day: Eyed Elater
Amy Schleunes | Jan 23, 2020 | 1 min read
The click beetle’s intricate false eyes cast a deep black color with the help of pigment-coated hairs.
Image of the Day: Virtual Landscape
Emily Makowski | Nov 25, 2019 | 2 min read
Flashing lights activate fly navigation neurons.
dragonfish transparent teeth light structure prey hunting
Image of the Day: Invisible Weapons
Chia-Yi Hou | Jun 6, 2019 | 1 min read
See a close-up of the deep-sea dragonfish’s transparent teeth.
Image of the Day: Making Waves
Carolyn Wilke | Mar 6, 2019 | 1 min read
Slithering snakes mimic waves of light, “diffracting” as they pass by an obstacle.
Image of the Day: Light Salve
Carolyn Wilke | Jan 2, 2019 | 1 min read
Researchers used infrared light to relieve itchy mice.
Solar-Powered Yeast Are More Efficient Drug Factories
Ruth Williams | Nov 15, 2018 | 3 min read
Researchers have outfitted brewer’s yeast with light-harvesting semiconductors to boost chemical productivity.
Winter Brain Blues
Catherine Offord | Nov 1, 2018 | 1 min read
Researchers identify neurological pathways through which light affects mood and learning in mice.
Infographic: Skotomorphogenesis Versus Photomorphogenesis
Kerry Grens | Jan 31, 2018 | 1 min read
Pectin fragments may signal plant cells to maintain a type of growth suited to darkness.
Image of the Day: Plant BulbsĀ 
The Scientist Staff and The Scientist Staff | Dec 14, 2017 | 1 min read
Scientists infuse plants with the luminescence of fireflies. 
Bacterial Photography Goes Technicolor
Erin Hare | May 22, 2017 | 3 min read
Genetically engineered "disco bacteria" sense and respond to different colors of light, creating both stunning art in the culture dish and new possibilities for synthetic biology.
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