Biology News

Study: Our Momentary Perception of Time May Stretch or Shrink with Each Heartbeat

This artist’s impression shows the evolution of the Universe beginning with the Big Bang on the left followed by the appearance of the Cosmic Microwave Background. The formation of the first stars ends the cosmic dark ages, followed by the formation of galaxies. Image credit: M. Weiss / Harvard-Smithsonian Center for Astrophysics.
Mar 8, 2023 by News Staff

The role of the heart in the experience of time has been long theorized but empirical evidence is scarce. In new research, scientists from Cornell University and the Institute for Frontier Areas of Psychology and Mental Health examined the interaction between the momentary experience of subsecond intervals and heartbeat. Sadeghi et al. examined the interaction between fine-grained cardiac dynamics and the momentary experience of subsecond intervals....

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The dusky tetraka (Xanthomixis tenebrosa) is the second species to be rediscovered by the Search for Lost Birds. Image credit: John C. Mittermeier.

Rare Songbird Feared Extinct Rediscovered in Madagascar

Mar 6, 2023 by News Staff

The previous documented sighting of the dusky tetraka (Xanthomixis tenebrosa) — one of the top 10 most wanted species by the Search for Lost Birds...

A digital reconstruction of a humpback whale trap feeding. Image credit: McCarthy et al., doi: 10.1111/mms.13009.

Head-Lifting Feeding Seen in Whales May Be Recorded in Ancient Texts

Mar 1, 2023 by News Staff

Trap feeding and tread-water feeding are whale hunting strategies first recorded in the 2000s in two whale species at opposite sides of the globe. In both...

The Eurasian woodcock (Scolopax rusticola). Image credit: Serge Santiago.

Study: Eurasian Woodcocks Have Brightest White Feathers Ever Measured

Mar 1, 2023 by News Staff

New research led by Imperial College London suggests that Eurasian woodcocks (Scolopax rusticola) have evolved their bright white feather patches for long-range...

Drosophila melanogaster and other non-migrating animals can sense external magnetic fields. Image credit: University of Manchester.

Animals’ Ability to Sense Magnetic Field May Be More Widespread than Previously Thought

Feb 23, 2023 by News Staff

New research led by University of Leicester and University of Manchester scientists shows that a molecule present in all living cells called flavin adenine...

In a controlled laboratory protocol, Isherwood et al. investigated if the human circadian system anticipates large meals. Image credit: Rita E.

Human Body Can Predict Timing of Regular Meals: Study

Feb 23, 2023 by News Staff

In new research, scientists at the University of Surrey tested the hypothesis that the human circadian system anticipates large meals. In a controlled...

Horse coats with patterns photographed in situ: (A) color photographs of the check, random check, black triangle, white triangle, gray and bark coat patterns; (B) polarization images of a bare horse (top), and black triangle (middle) and white triangle (bottom) coats; images on the left are monochrome photographs viewed through horizontally oriented polarizing filter; images on the right are false-colored according to the right-most scale to represent degree of polarization. Image credit: Caro et al., doi: 10.1242/jeb.244778.

New Research Reveals How Zebra Stripes Deter Horseflies

Feb 21, 2023 by News Staff

Stripes deter tabanid horseflies from landing on zebras and, while several mechanisms have been proposed, these hypotheses have yet to be tested satisfactorily....

Horaglanis populi. Image credit: C.P. Arjun.

Strange New Species of Aquifer-Dwelling Catfish Discovered in India

Feb 20, 2023 by Natali Anderson

The newly-discovered species belongs to Horaglanis, a genus of rarely-collected, tiny, blind, pigment less, and strictly aquifer-residing catfish. Horaglanis...

The Río Negro stream frog (Hyloscirtus tolkieni). Image credit: Juan Carlos Sánchez-Nivicela / Archive Museo de Zoología, Universidad San Francisco de Quito.

Magnificent New Species of Treefrog Discovered in Ecuador

Feb 17, 2023 by Enrico de Lazaro

The newly-discovered species, Hyloscirtus tolkieni, belongs to the stream-breeding treefrog genus Hyloscirtus; its specific epithet, tolkieni, is in honor...

Biologging float package attached to a sailfish. Image credit: Logan et al., doi: 10.1038/s41598-023-28748-0.

New Video Reveals Hunting Behavior of Solitary Sailfish

Feb 16, 2023 by News Staff

Surface-based group feeding of Indo-Pacific sailfish (Istiophorus platypterus), a highly popular species in recreational fishing worldwide, is commonly...

A woma python in the wild. Image credit: Christina Zdenek.

Snakes Can Hear and React to Airborne Sound, New Study Shows

Feb 16, 2023 by News Staff

Evidence suggests that snakes can hear, but how they naturally respond to sound is still unclear. Scientists from the University of Queensland, Australian...

Coradion calendula. Image credit: Matsunuma et al., doi: 10.5281/zenodo.7504828.

New Species of Butterflyfish Discovered

Feb 14, 2023 by Natali Anderson

Scientists from the Kyoto University Museum and elsewhere have described a new species of the fish genus Coradion from Australian waters. Coradion calendula....

Captive Goffin’s cockatoos are able to innovate the flexible use of a toolset. Image credit: Osuna-Mascaró et al., doi: 10.1016/j.cub.2023.01.023.

Goffin’s Cockatoos Can Use and Transport Toolsets, Study Shows

Feb 14, 2023 by News Staff

In new research from the University of Veterinary Medicine Vienna, the majority of Goffin’s cockatoos (Cacatua goffiniana) spontaneously innovated toolset...

Kohda et al. show that bluestreak cleaner wrasses (Labroides dimidiatus) recognize their own mirror image using a mental image of the self-face comparable to humans. Image credit: Masanori Kohda, Osaka Metropolitan University.

Bluestreak Cleaner Wrasses Can Recognize Themselves in Photographs: Study

Feb 13, 2023 by Enrico de Lazaro

In a series of experiments conducted in Japan, mirror-naïve bluestreak cleaner wrasses (Labroides dimidiatus) frequently attacked photographs of both...

Neolissochilus pnar. Image credit: Uros Aksamovic.

Meet Neolissochilus pnar, World’s Largest Cavefish

Feb 8, 2023 by Natali Anderson

Neolissochilus pnar grows to over 400 mm (1.3 feet) and occurs only in the limestone caves of Meghalaya, a state in northeastern India. Neolissochilus...

The potent antibacterial activity of lunaemycins against antibiotic resistant Gram-positive bacteria may in part explain how Streptomyces lunaelactis strains have found their own place in extremely oligotrophic and competitive environments such as moonmilk deposits. Image credit: Martinet et al., doi: 10.3390/ijms24021114.

New Group of Antibiotics Isolated from Moonmilk Deposits

Feb 8, 2023 by Natali Anderson

Lunaemycins are produced by Streptomyces lunaelactis, a species of bacterium that inhabits the moonmilk deposits of La Grotte Des Collemboles in Belgium...

Hyperolius ukaguruensis. Image credit: Christoph Liedtke.

Scientists Discover New Species of Voiceless Frog in Tanzania

Feb 6, 2023 by Natali Anderson

The newly-identified species belongs to the frog genus Hyperolius and has an unusual trait — it’s completely silent. Hyperolius ukaguruensis. Image...

Nautilus samoaensis. Image credit: Barord et al., doi: 10.3897/zookeys.1143.84427.

Marine Biologists Identify Three New Nautilus Species

Feb 3, 2023 by Natali Anderson

The three new species of nautiluses belong to the genus Nautilus and represent populations on the easternmost edge of the overall habitat range of the...

Flightless or poorly-flighted modern, and recently extinct, paleognath birds with their respective egg sizes. Lithornis, an ancient flying paleognath bird, is depicted and has an unknown egg size. Image credit: Hyunjoo Shin / CC BY 4.0.

Ornithologists Construct New Phylogenetic Family Tree for Paleognath Birds

Feb 1, 2023 by Natali Anderson

About 50 species of birds on Earth today do not belong to the same group as the other 10,000 currently in existence. Known as the paleognaths, this small...

The Pallas’s cat (Otocolobus manul). Image credit: Nicolas Fischer / CC BY 3.0.

Pallas’s Cats Inhabit Mount Everest Region, New Study Shows

Jan 26, 2023 by Natali Anderson

At least two individuals of the Pallas’s cat (Otocolobus manul) live in Sagarmatha National Park, Mount Everest region, eastern Nepal, according to a...

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