Biology

Resurrecting the Sublime recreates the scent of Hibiscadelphus wilderianus, which went extinct in 1912.

What Do These Extinct Plants Smell Like?

A multidisciplinary collaboration resurrects three types of flora lost due to 20th-century colonialism

Heavy metal-fortified mandibles help leafcutter ants save energy and muscle mass.

Heavy Metals Give Ants a Powerful Bite

A combination of metal atoms and natural proteins is the secret behind the super-strong jaws, claws and stingers of some tiny animals

Around 20 percent of female white-necked jacobins have evolved to share the vibrant plumage characteristic of males.

Female Hummingbirds Masquerade as Males to Avoid Harassment

One-fifth of female white-necked jacobins sport flashy male-like plumage, which may help them access more food

The giant tortoise clumsily stalked and ate a lesser noddy tern chick, raising questions about their herbivorous diet.

Giant Tortoise Stuns Scientists by Eating a Baby Bird

In a first, researchers in the Seychelles document the large reptile stalking and devouring a chick

A new study of western diamondback rattlesnakes reveals that they abruptly shift to a high-frequency rattle as danger approaches.

Rattlesnakes Fool Humans Into Thinking They're Nearby With This Sound-Warping Trick

A new study reveals the snakes change the speed of their rattles to appear closer than they are

A study of two dozen common cuttlefish reveals they can recall specific details regardless of age.

Unlike Humans, Cuttlefish Have Sharp Memories Even in Old Age

The cephalopods remember when, where and what they ate until days before death

Only two of 18 eggs have hatched so far. Congrats to the gator parents, Snowflake and Blizzard!

Rare Albino Alligators Hatch at Florida Zoo

The pair of white and pink hatchlings lack their species' usual dark coloration

A fox squirrel perched on part of an experiment designed to test its agility and decision-making. Researchers used peanuts to entice the rodents to participate.

New Research

Squirrels Use Parkour Moves and Savvy to Stick Tricky Landings

A new study finds these acrobatic rodents quickly weigh variables like bendy branches to figure out how to safely clear big distances high in the treetops

Olympic runners compete during the 10,000 meters race in Tokyo. In ancient times, running was likely used to push animals to exhaustion during hunting.

Five Ways Humans Evolved to Be Athletes

An archaeologist explores how our prowess in sport has deep roots in evolution

A 3D image of the spiral-shaped intestine of a Pacific spiny dogfish shark. In life, food would move through this intestine left to right.

Innovation for Good

Sharks' Intestines Spiral Like a Valve Invented by Nikola Tesla

Tesla's ingenious valve promoted a one-way flow of fluid without the need for moving parts, but, it turns out, evolution got there first

Researchers extracting an ice core from the Guliya Ice Cap in the Tibetan Plateau in 2015.

New Research

Scientists Extract 15,000-Year-Old Viruses From Tibetan Glacier

Researchers say the ancient pathogens are unlikely to cause humans any harm, but 28 out of the 33 viruses found are new to science

Working with the Papuan Past Project, François-Xavier Ricaut measures the lung function of a highlander study participant at St. Therese’s School at Denglagu mission.

Why Papua New Guinea's Highlanders Differ Physically From Those Living Near Sea Level

New research shows villagers living at high altitude are shorter, have higher lung capacity and have smaller waistlines

Before killing Salmonella, the detergent-like protein APOL3 (green) must get through the bacteria's protective outer membrane (red).

Innovation for Good

Human Cells Ward Off Bacterial Invaders With a Protein That Behaves Like Soap

Researchers discover that immune cells aren’t the body’s only line of defense against bacterial pathogens

Little is known about the zombie frog and its cousins. They are rather plump with narrow mouths and pointed noses. The small, nocturnal amphibians of the genus Synapturanus live mostly underground.

How the Newly Discovered, Mud-Loving 'Zombie' Frog Got Its Name

German team discovers new amphibian species and two others deep in Amazon rainforest

A snowflake moray eel peers out from its hiding spot.

New Research

To Capture Prey on Land, This Eel Has an Extendable, Extra Jaw Hidden Inside Its Throat

This second set of teeth allows some moray eels to more effectively feed in the intertidal zone when the tide is low

DARPA's initial, modest goal is to alleviate jet lag.

Innovation for Good

This Implant Could One Day Control Your Sleep and Wake Cycles

The so-called 'living pharmacy' will be able to manufacture pharmaceuticals from inside the body

On the center plant, poking out from the stem is a bent side stalk, which holds up the arm of the plant with a flower.

Scientists Discover a New Plant Organ

The structure, called a cantil, holds up the flower-bearing arm of the thale cress, a long-studied species

A rotifer seen under a microscope.

New Research

Scientists Revive Tiny Animals That Spent 24,000 Years on Ice

These bdelloid rotifers survived for thousands of years in the Siberian permafrost and scientists want to find out how

Sister Andre, Lucile Randon celebrated her 117th birthday this year after surviving Covid-19.

New Research

Study Suggests 150 Years May Be the Human Lifespan's Upper Limit

Researchers say beyond that age the body simply can no longer repair itself after normal stresses such as disease

An African elephant gives itself a dust bath by blasting dirt from its trunk.

New Research

Elephant Trunks Can Suck Water at 330 Miles Per Hour

A new study puts impressive numbers to some of the elephant trunk's many feats