bee on purple flower
Dopamine Drives Bee Desires: Study
Like in humans, the neurotransmitter appears to play a role in generating wanting-like behavior and, perhaps, happy memories in honeybees.
ABOVE: © iStock.com, DanielPrudek
Dopamine Drives Bee Desires: Study
Dopamine Drives Bee Desires: Study

Like in humans, the neurotransmitter appears to play a role in generating wanting-like behavior and, perhaps, happy memories in honeybees.

Like in humans, the neurotransmitter appears to play a role in generating wanting-like behavior and, perhaps, happy memories in honeybees.

ABOVE: © iStock.com, DanielPrudek

feeding behavior

Variety of sweeteners - Stevia, sugar, pollen and honey stock photo
How the Gut Differentiates Artificial Sweeteners from Sugars
Chloe Tenn | Jan 21, 2022
Signals from sweeteners and sugars are relayed from the gut to the brain by different neural pathways, a new study concludes.
snake eating another snake
Male Snakes Cannibalizing Females Present Evolutionary Puzzle
Chloe Tenn | Nov 15, 2021
The Scientist speaks with organismal biologist Xavier Glaudas about possible reasons for his recent finding that male Montpellier snakes cannibalize female conspecifics.
iStock
The Scientist Speaks - Finding that Sweet Spot: Understanding Gut Perception One Cell at a Time
Niki Spahich, PhD | Apr 29, 2022
Maya Kaelberer discusses her research investigating how sensory cells in the gut guide feeding behavior.
ABOVE: A pair of Labroides dimidiatus cleaner fish cleaning a puffer fish
Cleaner Fish Alter Behavior if Partners Can See Them “Cheating”
Chloe Tenn | Oct 7, 2021
A study of feeding behavior suggests the fish feed differently in front of their partners—a behavioral feature also found in primates.
Chelonibia testudinaria barnacle on turtle shell
Some Barnacles Can Move Around to Improve Feeding Position
Chloe Tenn | Oct 6, 2021
The Scientist spoke with marine biologist and barnacle researcher John Zardus about why turtle barnacles—previously thought to be immobile—in fact slowly travel. He thinks the answer is food.
A brown tick is shown from above as it climbs a green blade of grass
Bacterial Symbionts Tell Ticks When to Eat
Abby Olena | Oct 1, 2021
The endosymbiont Coxiella affects tick serotonin production and subsequent blood-feeding behavior, a study finds.
Segmented filamentous bacteria artificially colored in green attach to the intestinal wall of a mouse
Gut Microbes Help Coordinate Immune Activity in Mice
Catherine Offord | Jul 29, 2021
The microbiota helps align a mouse’s innate immune system with its feeding patterns, prepping the animal to fend off infection when it’s most likely to be eating.
Hippocampal neurons are labeled in blue and purple on a black background
New Role for Leptin: Promoting Synapse Formation in Rat Neurons
Abby Olena | May 20, 2021
The hormone, which is well known for regulating appetite, appears to influence neuronal development—a finding that could shed light on disorders such as autism that involve dysfunctional synapse formation.
Innovative Birds Face a Lower Risk of Extinction
Michael Graw | Jul 13, 2020
Species that come up with new ways to find food may be more likely to survive in habitats disturbed by agriculture and other human activities.
Social Bonds Among Captive Vampire Bats Persist in the Wild
Emily Makowski | Nov 1, 2019
Bats that share food with their hungry cage-mates stay close after being released.
Johannes Kohl Untangles the Neural Circuitry Behind Instinct
Nicoletta Lanese | Oct 1, 2019
The Francis Crick Institute neurobiologist aims to learn how physiological states, such as hunger, alter information processing in the brain.
Image of the Day: Fish that Eat Fish
Emily Makowski | Sep 13, 2019
Researchers categorize the different jaws of piscivorous fishes.
catfish eating jaw skull bone movement anatomy
Image of the Day: Catfished
Chia-Yi Hou | Apr 24, 2019
The skull bones of a catfish move in coordination when capturing prey.
Image of the Day: On the Hunt
Sukanya Charuchandra | Aug 30, 2018
The Fiordland penguins of New Zealand travel thousands of kilometers in search of food.
Image of the Day: Warp Speed
Sukanya Charuchandra | Jul 5, 2018
Snipefish use a recoil mechanism to feed rapidly.
Satiated Fish Swim at the Back of the Pack
Ashley Yeager | Jul 1, 2018
Digesting a big meal takes energy, forcing some minnows to swim in spots at the rear of a school.
Infographic: Swimming After Eating
Ashley Yeager | Jun 30, 2018
How a meal affects minnows' positions in their schools
Exercise Warms the Brain, Causing Mice to Eat Less
Kerry Grens | Apr 24, 2018
Directly activating a heat sensor also sensitive to capsaicin in chili peppers in the hypothalamus had the same effect as exercise.
Tadpoles Keep Eating Because They Don’t Feel Full
Catherine Offord | Mar 27, 2018
Baby frogs don’t develop the neural circuitry responsible for feeding inhibition until they begin metamorphosing into adults.