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Behavioral Science News
September 28, 2020

Top Headlines
 

Primate Brain Size Does Not Predict Their Intelligence

A research team has systematically investigated the cognitive abilities of lemurs, which have relatively small brains compared to other primates. Conducting systematic tests with identical methods ...

Prenatal Cannabis Exposure Associated With Adverse Outcomes During Middle Childhood

Research shows prenatal cannabis exposure may impact child behavior later in ...

Animals Lose Fear of Predators Rapidly After They Start Encountering Humans

Most wild animals show a suite of predator avoidance behaviors such as vigilance, freezing, and fleeing. But these are quickly reduced after the animals come into contact with humans through ...

New Theory Predicts Movement of Different Animals Using Sensing to Search

A research team has developed a new theory that can predict the movement of an animal's sensory organs -- such as eyes, ears and nose -- while searching for something vital to its ...
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Earlier Headlines
 

Pollination: Air Pollution Renders Flower Odors Unattractive to Moths

Researchers showed that tobacco hawkmoths lost attraction to the scent of their preferred flowers when that scent had been altered by ozone. This oxidizing pollutant thus disturbs the chemical ...

In Butterfly Battle of Sexes, Males Deploy 'Chastity Belts' but Females Fight Back

Some male butterflies seal their mate's genitalia with a waxy 'chastity belt' to prevent future liaisons. But female butterflies can fight back. Could this sexual one-upmanship ...

Birds Can Learn from Others to Be More Daring

New research into highly social yet invasive house sparrows reveals that they can learn from each other and adapt their ...

Common Species Mirror Rare Animals' Response to Global Change

A study of more than 2,000 species reveals animal populations around the world - from the very common to endangered species - are going up and down as global change alters land, sea and freshwater ...

Eye of a Fly: Researchers Reveal Secrets of Fly Vision for Rapid Flight Control

By examining how fruit flies use eye movements to enhance flight control with a staggeringly fast reaction speed -- about 30 times faster than the blink of an eye -- researchers have detailed a ...

Differing Diets of Bonobo Groups May Offer Insights Into How Culture Is Created

Besides humans, many other social animals are believed to exhibit forms of culture in various ways, too. According to primatologists, bonobos, one of our closest living relatives, could be the latest ...

Songbirds Reduce Reproduction to Help Survive Drought

New research suggests tropical songbirds in both the Old and New Worlds reduce reproduction during severe droughts, and this - somewhat surprisingly -- may actually increase their survival ...

Genetic Link Between Cattle Temperament and Autism in Humans

Researchers have discovered that cattle share an overlap of genes with humans that are critical in brain function and response to fear stimuli. The results open the way for research conducted on ...

Why Flat-Faced Dogs Remain Popular Despite Health Problems

Owners of bulldogs, French bulldogs and pugs are highly likely to want to own their breed again in the future, and to recommend their breed to other owners, according to a new study. The development ...

Domesticated Chickens Have Smaller Brains

Researchers suggest a process by which the timid junglefowl from the rain forest could have become today's domesticated chicken. When the scientists selectively bred the junglefowl with least ...

How Are Information, Disease, and Social Evolution Linked?

In all social animals, gaining valuable information requires physical contact among individuals, an action that risks spreading contagion. New research describes the opposing evolutionary forces that ...

Memory Protein: Researchers Uncover Unusual Glassy Behavior in a Disordered Protein

When researchers sought to understand the mechanical behaviors of disordered proteins in the lab, they expected that after being stretched, one particular model protein would snap back ...

Importance of Rainfall Highlighted for Tropical Animals

Imagine a tropical forest, and you might conjure up tall trees hung with vines, brightly colored birds, howling monkeys, and ... rain. Indeed, precipitation patterns, along with temperature, dictate ...

How Zebrafish Maintain Efficient and Fair Foraging Behaviors

New insight on how zebrafish achieve near-optimal foraging efficiency and fairness among groups has been published ...

Beam Me Up: Researchers Use 'Behavioral Teleporting' to Study Social Interactions

Researchers have devised a novel approach to getting physically separated fish to interact with each other, leading to insights about what kinds of cues influence social ...

Meet Hedge Fund Managers of Avian World

New research finds that brood parasites living in more variable and unpredictable habitats tend to parasitize -- or squat and drop their eggs in -- the nests of a greater variety and number of ...

Ichthyosaur's Last Meal Is Evidence of Triassic Megapredation

Some 240 million years ago, a dolphin-like ichthyosaur ripped to pieces and swallowed another marine reptile only a little smaller than itself. Then it almost immediately died and was fossilized, ...

An Active Lifestyle Reduces Fearfulness in Dogs Differences Between Breeds Are Great

The more dogs are engaged in activities and the more diverse experiences and canine friends they have, the less fearful they are in new situations and environments. Genes also play an important ...

This Cuttlefish Is Flamboyant on Special Occasions Only!

The flashy Flamboyant Cuttlefish is among the most famous of the cephalopods (octopus, squid, and cuttlefish) - but it is widely misunderstood by its legions of fans. A new article sets the record ...

Termite-Fishing Chimpanzees Provide Clues to the Evolution of Technology

Unlike chimpanzees in East and West Africa, who use a single tool to extract termites, chimpanzees in Central Africa's Congo Basin use tool sets -- puncturing sticks or perforating twigs plus ...

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