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- New duckbilled dinosaur discovered in Japan
- Astronomers detect hydroxyl molecule signature in an exoplanet atmosphere
- Future drones likely to resemble 300-million-year-old flying machine
- The bluest of blue: A new algae-based switch is lighting up biological research
- Extinct 'horned' crocodile gets new spot in the tree of life
- Asteroid that hit Botswana in 2018 likely came from Vesta, scientists say
- Toxic masculinity: Y chromosome contributes to a shorter lifespan in male flies
- Fat-footed tyrannosaur parents could not keep up with their skinnier adolescent offspring
| New duckbilled dinosaur discovered in Japan Posted: 27 Apr 2021 09:24 AM PDT An international team of paleontologists has identified a new genus and species of hadrosaur or duck-billed dinosaur, Yamatosaurus izanagii, on one of Japan's southern islands. The fossilized discovery yields new information about hadrosaur migration, suggesting that the herbivors migrated from Asia to North America instead of vice versa. The discovery also illustrates an evolutionary step as the giant creatures evolved from walking upright to walking on all fours. |
| Astronomers detect hydroxyl molecule signature in an exoplanet atmosphere Posted: 27 Apr 2021 08:06 AM PDT Astronomers have detected a new chemical signature in the atmosphere of an extrasolar planet (a planet that orbits a star other than our Sun). The hydroxyl radical (OH) was found on the dayside of the exoplanet WASP-33b -- a so-called 'ultra-hot Jupiter', a gas-giant planet orbiting its host star much closer than Mercury orbits the Sun and therefore reaching atmospheric temperatures of more than 2,500° C. |
| Future drones likely to resemble 300-million-year-old flying machine Posted: 27 Apr 2021 06:47 AM PDT Researchers have drawn inspiration from a 300-million-year-old superior flying machine - the dragonfly - to show why future flapping wing drones will probably resemble the insect in shape, wings and gearing. |
| The bluest of blue: A new algae-based switch is lighting up biological research Posted: 27 Apr 2021 06:47 AM PDT Scientists have discovered a novel ion channel protein that can be controlled by light, in a species of terrestrial alga. These channels respond to the shorter indigo blue wavelength of light, according to the researchers. Subsequent light-based manipulations of the channel find potential applications in the modulations of specific functions of nerves, muscles, and more, for biological research. |
| Extinct 'horned' crocodile gets new spot in the tree of life Posted: 27 Apr 2021 05:57 AM PDT New research has resolved a long-standing controversy about an extinct 'horned' crocodile that likely lived among humans in Madagascar. Based on ancient DNA, the study shows that the horned crocodile was closely related to 'true' crocodiles, including the famous Nile crocodile, but on a separate branch of the crocodile family tree. The study contradicts recent scientific thinking and also suggests that the ancestor of modern crocodiles likely originated in Africa. |
| Asteroid that hit Botswana in 2018 likely came from Vesta, scientists say Posted: 26 Apr 2021 11:09 AM PDT An international team of researchers searched for pieces of a small asteroid tracked in space and then observed to impact Botswana on June 2, 2018. |
| Toxic masculinity: Y chromosome contributes to a shorter lifespan in male flies Posted: 22 Apr 2021 12:04 PM PDT Males may have shorter lifespans than females due to repetitive sections of the Y chromosome that create toxic effects as males get older, according to a new study in fruit flies. |
| Fat-footed tyrannosaur parents could not keep up with their skinnier adolescent offspring Posted: 22 Apr 2021 07:28 AM PDT New research suggests juvenile tyrannosaurs were slenderer and relatively faster for their body size compared to their multi-ton parents. |
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