Search results for course materials

Evolution Oct 12, 2023

200-year-old DNA helps map tiny fly's genetic course to new lands, modern times

When Carl Fredrik Fallén, for one—and later Johan Wilhelm Zetterstedt—were collecting insects for what would become Lund University's entomological collections, they wondered exactly what was that buzzing coming from ...

Plants & Animals Oct 12, 2023

Salmon that eat salmon are more environmentally friendly, researchers say

Using a larger proportion of each individual salmon here in Norway will make the aquaculture industry less dependent on importing ingredients for salmon feed. Using locally produced raw materials is also good for the environment.

Biochemistry Oct 10, 2023

Researcher develops better ways to convert CO2 and biofuel byproducts into valuable chemicals

A University of Alberta researcher has developed better ways to convert carbon dioxide, a harmful greenhouse gas, and glycerol, a leftover of biodiesel production, into value-added materials with wide-ranging uses including ...

Space Exploration Oct 6, 2023

Magnetic fusion plasma engines could carry us across the solar system and into interstellar space

Missions to the moon, missions to Mars, robotic explorers to the outer solar system, a mission to the nearest star, and maybe even a spacecraft to catch up to interstellar objects passing through our system. If you think ...

Nanophysics Oct 5, 2023

Nobel Prize for chemistry recognizes the power of nanotechnology

The 2023 Nobel Prize for chemistry isn't the first Nobel awarded for research in nanotechnology. But it is perhaps the most colorful application of the technology to be associated with the accolade.

Cell & Microbiology Oct 2, 2023

How new plant cell walls change their mechanical properties after cell division

Scientists have revealed new plant cell walls can have significantly different mechanical properties compared to surrounding parental cell walls, enabling cells to change their local shape and influence the growth of plant ...

Planetary Sciences Sep 22, 2023

A NASA spacecraft is on course to deliver material from an asteroid to Earth—here's what we could learn

Around 15 years ago, I was on a European Space Agency (Esa) committee, looking at Esa's strategy for proposed forthcoming space missions. Under consideration was a mission to an asteroid. Over dinner, one of the committee ...

Condensed Matter Sep 18, 2023

Plumbing the depths of thermoelectrics in search of novel materials

Thermoelectrics enable the direct conversion of heat into electrical energy—and vice versa. This makes them interesting for a range of technological applications. In the search for thermoelectric materials with the best ...

Plants & Animals Sep 15, 2023

Diesel exhaust gases found to harm insects: Animal ecologists study the effects on bumblebees for the first time

The decline of insects threatens many ecosystems worldwide. While the effects of pesticides are well researched, there has been a lack of knowledge about the effects of other anthropogenic pollutants. Animal ecologists at ...

Environment Sep 9, 2023

Hurricane Lee is charting a new course in weather and could signal more monster storms

Hurricane Lee is rewriting old rules of meteorology, leaving experts astonished at how rapidly it grew into a goliath Category 5 hurricane.

page 12 from 40