Tag archives for evolution
Researchers use sexy robot frogs to gain insight into the evolution of complex behaviors.
A new study says mammals can “choose” the sex of their offspring—does that include us?
Moths vibrate their genitals to jam bat sonar, making them invisible to the predators, a new study says.
The top stories on National Geographic’s radar today: SETI and Paypal are teaming up to create the universe’s first space currency, DNA from an ancient horse has become the oldest ever sequenced, and…
Some female animals—including fish, snakes, and octopi—store sperm in their reproductive tracts for years after mating. But why?
Ancient water below Canadian gold mines may offer new clues about evolution—and new life forms here on Earth.
The greater wax moth evolved to hear better than any animal on Earth—all to avoid their nemesis, the bat, a new study says.
A rare Ethiopian primate called the gelada makes sounds like people—giving insights into the evolution of human speech.
By Linda Poon April Fools’ Day is when people roll out their best pranks, tricks, and other shenanigans just for the sake of a good laugh. But compared with the tricksters of the animal kingdom, we’re all just amateurs. (Related: “April Fools’ Day Pictures: Seven Animal Hoaxes.”) For nature’s masters of deception, the use of…
A type of burrowing worm that lived 508 million years ago has solved an evolutionary puzzle, a new study says.
A cluster of tapeworm eggs have been discovered in 270 million-year-old fossilized shark feces, suggesting that the intestinal parasites are much older than previously thought.
Meet the microscopic moocher Prymnesium parvum, a strain of algae that freeloads on its kin without putting in any effort, a new study says.
Live presentations have been a part of National Geographic since the 1800s, and today more than 140 are viewable online. See this year’s best.
In 1835 Charles Darwin arrived on Floreana Island in the Galapagos, noting in his journal that it had long been frequented, first by buccaneers, latterly by whalers–and then political dissidents exiled from mainland South America. The giant tortoises Darwin saw on Floreana have since been extirpated from the island and the prisoners and pirates exist only in history. But the scenery he described remains much the same, and a tradition of leaving mail in a “post office barrel” for collection and delivery by passing ships has endured for two centuries.
The hen with the largest comb gets a bigger dose of sperm, and thus more chicks, according to research published this week. Roosters have figured out what poultry breeders know — combs are a reliable indicator of a hen’s ability to produce more eggs.