08/11/2021

Guazia, the earliest winged seed without cupule

In a paper published in National Science Review, a Chinese group of palaeobotanists described a new genus and species of Late Devonian ovule (seed before fertilization), Guazia dongzhiensis gen. et sp. nov., which is borne ...

Why the world needs a better LED light bulb

Light bulbs are a big upgrade from fires and candles. Every year, homes in informal settlements burn down in Africa because of fires used for heating and lighting. So electrical light bulbs with filaments brought about a ...

Planetary evolution reveals a volatile history

Just as human beings and all other living things exist in a vast number of forms thanks to their genetic makeup, so different types of planets occur due to the chemical processes at work in the dusty regions surrounding newborn ...

NASA, USGS release first Landsat 9 images

Landsat 9, a joint mission between NASA and the U.S. Geological Survey (USGS) that launched Sept. 27, 2021, has collected its first light images of Earth.

Why teapots always drip

The "teapot effect" has been threatening spotless white tablecloths for ages: if a liquid is poured out of a teapot too slowly, then the flow of liquid sometimes does not detach itself from the teapot, finding its way into ...

page 5 from 12