Heads of horned and cyclopic beetles of the genus Onthophagus are shown. After knocking out the gene otd1, the cyclopic beetle (right) lost the horn but gained a pair of small compound eyes in the center of the head.Credit:...
A fossil ptilodactyline beetle found in amber from Mexico. The black arrow points to pollinia attached to the beetle's mouthparts. Credit: Entomological Society of America
When most people hear the word "pollinator," they think of bees and butterflies. However, certain...
Adonis, a Bosinan pine, more than 1,075 years old, living in the alpine forests of the Pindos mountains in northern Greece.Credit: Dr. Oliver Konter, Mainz
A Bosnian pine (Pinus heldreichii) growing in the highlands of northern Greece has been dendrocronologically...
Paleontologists prepare to remove a Tyrannosaurus rex skull from a fossil dig site in northern Montana and transport it to the Burke Museum at the University of Washington.Credit: Dave DeMar/Burke Museum/University of Washington
Paleontologists with the Burke Museum of Natural...
Three-day-old nestlings begging.Credit: Andy TD Bennett
By calling to their eggs, zebra finch parents may be helping their young prepare for a hotter world brought on by climate change. Uncovering such a mechanism represents a significant advance in the effort...
A High-hat fish is placed in a plastic bag for half an hour during fieldwork in The Bahamas. Scientists measured the nutrient content in the water before and after to determine the fish's nutrient output.Credit: Jacob Allgeier
Coral reefs wouldn't...
Reconstruction of Thylacoleo. Credit: Mauricio Antón
Scientists from the Universities of Bristol and Málaga have proposed that the long extinct marsupial lion hunted in a very unique way -- by using its teeth to hold prey before dispatching them with...
The evolution of the first land plants including mosses may explain a long-standing mystery of how Earth's atmosphere became enriched with oxygen, according to an international study led by the University of Exeter.
Oxygen in its current form first appeared...
A Greenland shark slowly swimming away from the zodiac, returning to the deep and cold waters of the Uummannaq Fjord in northwestern Greenland. The sharks were part of a tag-and-release program in Norway and Greenland to identify the Greenland...
Naong drinking.Credit: Tomas Persson
Without having tasted a specific new juice mix before, an orangutan in a Swedish zoo has enough sense to know whether it will taste nice or not based on how he recombined relevant memories from the...
The new Sleeping beauty rain frog, scientifically known as Pristimantis pulchridormientes shows the striking red coloration on its rear limbs. Credit: Germán Chávez
A new species of rain frog was discovered in the premontane forests of the Peruvian central Andes....
