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Bombus vosnesenskii flies in a field of lupine flowers. Image credit: Spencer Hardy, the Institute for Bird Populations.

Biologists Identify Favorite Flowers of North American Bumblebees

Jan 29, 2020 by News Staff

Bumblebee declines have been attributed to a handful of factors, including lack of flowers. Not all flowers are used equally by bumblebees, and determining...

The northern paper wasp (Polistes fuscatus). Image credit: Judy Gallagher / CC BY 2.0.

Scientists Trace Evolution of Visual Individual Recognition in Paper Wasps

Jan 28, 2020 by News Staff

A team of researchers has sequenced and analyzed the genomes of Polistes fuscatus, a species of paper wasp that has uniquely evolved visual individual...

Fluorescence microscopy image of cell-free mitochondria in the plasma of a healthy individual. Image credit: Dache et al, doi: 10.1096/fj.201901917RR.

Scientists Find Cell-Free Mitochondria in Human Blood

Jan 24, 2020 by Enrico de Lazaro

Mitochondria are considered as the power-generating units of the cell due to their key role in energy metabolism and intercellular communication. However,...

Bamboo shark Hemiscyllium halmahera (© Mark Erdmann).

Marine Biologists Solve Mystery of How ‘Walking’ Sharks Split

Jan 23, 2020 by Natali Anderson

An international team of marine biologists has found that members of the genus Hemiscyllium are the ‘youngest’ — as in, the most recently evolved...

African gray parrots (Psittacus erithacus). Image credit: Andrew Bernard / CC BY 2.0.

African Gray Parrots Help Partners Obtain Food Rewards

Jan 22, 2020 by News Staff

African gray parrots (Psittacus erithacus) voluntarily and spontaneously help familiar parrots to achieve a goal, without obvious immediate benefit to...

Alucita udovichenkoi, an adult male. Image credit: Kovtunovich et al.

Entomologists Discover New Species of Many-Plumed Moth

Jan 21, 2020 by Sergio Prostak

A species of many-plumed moth believed to be new to science has been discovered in South Africa. Alucita udovichenkoi, an adult male. Image credit: Kovtunovich...

This scanning electron microscope image shows a tardigrade. Image credit: Diane Nelson, National Park Service, U.S. Department of the Interior.

Could Invisible Extraterrestrial Life Forms Really Exist Among Us?

Jan 21, 2020 by The Conversation

Life is pretty easy to recognize. It moves, it grows, it eats, it excretes, it reproduces. Simple. In biology, researchers often use the acronym ‘MRS-GREN’...

A Magellanic penguin (Spheniscus magellanicus) on a bluff on Isla de los Estados, Argentina. Image credit: Ulises Balza / Wildlife Conservation Society.

Researchers Discover New Colony of Magellanic Penguins

Jan 21, 2020 by Enrico de Lazaro

A team of scientists from the Wildlife Conservation Society (WSC), the CADIC-CONICET and Argentina’s National Parks Administration has discovered a new...

Hansen Wheat & Temrin provide the first empirical evidence that wolves, and not only dogs, express interspecific play with a human based on social-communicative cues. This image shows a wolf puppy named Flea, who comes from a non-fetching litter born in 2015. Image credit: Christina Hansen Wheat.

Wolf Puppies Play Fetch Too, Researchers Find

Jan 20, 2020 by News Staff

In a series of experiments, a duo of researchers from the Department of Zoology at Stockholm University has observed eight-week-old wolf puppies spontaneously...

Parecis titis (Plecturocebus parecis) in the forest reserve of the UHE Rondon II hydroelectric plant, municipality of Pimenta Bueno, Rondônia, Brazil. Image credit: Alberto Caldeiras.

New Species of Titi Monkey Discovered in Brazil

Jan 20, 2020 by Natali Anderson

An international team of researchers has discovered a new species of titi monkey living in the forests of Brazil. Parecis titis (Plecturocebus parecis)...

An Atlantic puffin (Fratercula arctica) scratching with a stick on Grimsey Island, Iceland. Image credit: Fayet et al, doi: 10.1073/pnas.1918060117.

Seabirds Spotted Using Tools for the First Time

Jan 15, 2020 by Natali Anderson

An international team of researchers from the University of Oxford and the South Iceland Nature Research Centre has observed two Atlantic puffins (Fratercula...

Escherichia coli and Acinetobacter baylyi form intricate flower-like patterns when grown together over a 24-hour period. Image credit: BioCircuits Institute / University of California, San Diego.

Two-Species Bacterial Colonies Form Intricate Flower-Like Patterns

Jan 14, 2020 by News Staff

In a series of experiments, a team of biologists at the University of California, San Diego studied the structure of growing colonies comprised of two...

The Taliabu grasshopper-warbler (Locustella portenta). Image credit: James Eaton / Birdtour Asia.

Researchers Discover Ten New Bird Taxa in Indonesia

Jan 10, 2020 by Natali Anderson

An international team of ornithologists has discovered five new species and five new subspecies of songbirds on little-explored islands off the northeastern...

Phylogeny of negative strand RNA viruses: red dots identify virus orders according to current taxonomy; blue clouds show virus families; selected viral species are identified for orientation. Image credit: Käfer et al, doi: 10.1371/journal.ppat.1008224.

Scientists Discover Hundreds of New RNA Viruses in Insects

Jan 9, 2020 by News Staff

A team of researchers has discovered several hundreds of new negative strand RNA viruses and at least 20 viral genera in insects. Phylogeny of negative...

The red brittle star (Ophiocoma wendtii). Image credit: Kent Miller / CC BY-ND 4.0.

Red Brittle Stars See with Light-Sensitive Skin Cells, Study Shows

Jan 6, 2020 by News Staff

The red brittle star (Ophiocoma wendtii), a relative of starfish that inhabits coral reefs from Bermuda to Brazil, first captured scientific attention...

Brandon et al investigated the fate of the flame retardant hexabromocyclododecane in polystyrene-degrading mealworms and in mealworm-fed shrimp. Image credit: Andrew Martin.

Mealworms Can Safely Biodegrade Toxic Additive-Containing Plastic

Jan 2, 2020 by News Staff

Common mealworms, the larvae of the darkling beetle (Tenebrio molitor), can consume toxic additives in polystyrene with no ill effects; the worms can then...

Lake Magadi. Image credit: Stig Nygaard, Flickr / CC BY 2.0.

First Life Forms on Earth May Have Evolved in Carbonate, Phosphate-Rich Lakes

Dec 31, 2019 by News Staff

The early Earth could have hosted many carbonate-rich lakes, which would have had high enough phosphorus concentrations to get life started, according...

Anopheles gambiae. Image credit: James D. Gathany / CDC.

Malaria-Carrying Mosquitoes Can Sense Insecticides through Their Legs: Study

Dec 27, 2019 by News Staff

A research team led by Liverpool School of Tropical Medicine scientists has identified a previously undescribed mechanism of insecticide resistance that...

Märtin et al define the molecular identity of striatal projections neurons, focusing on the characterization of the patch and matrix compartments; genetic labeling of mu opioid receptor (Oprm1)-expressing neurons reveals the identity of neuron subtypes, and also establishes spatial markers for the identification of subregions in striatum. Image credit: Märtin et al, doi: 10.1016/j.celrep.2019.11.096.

Scientists Create Molecular Map of Striatum

Dec 24, 2019 by News Staff

Striatum, the inner part of the brain, is considered central to decision-making and the development of various addictions. In mouse models and with methods...