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January 17 2020

21:27

What is an endangered species?

What makes for an endangered species classification isn't always obvious.

January 16 2020

15:12

Photoelectrochemical water-splitting efficiency hits 4.5%

Solar-to-fuel conversion offers a promising technology to solve energy problems, yet device performance could be limited by undesired sunlight absorption. Researchers show copper thiocyanate can assist hole transport in oxide photoelectrodes and enable a 4.55% solar-to-hydrogen efficiency in tandem devices.
00:15

Male songbirds can't survive on good looks alone

Brightly colored male songbirds not only have to attract the female's eye, but also make sure their sperm can last the distance, according to new research.

January 14 2020

15:40

New parasitoid wasp species discovered in the Amazon -- can manipulate host's behavior

A research group studying the diversity of parasitoid insects around the world. Parasitoid wasps (Hymenoptera) are one of the most species rich animal taxa on Earth, but their tropical diversity is still poorly known. The group discovered 15 new, sizable species that parasitize spiders in the lowland rainforests of the Amazon and the cloud forests of the Andes.

January 13 2020

22:56

Living robots built using frog cells

Scientists repurposed living frog cells -- and assembled them into entirely new life-forms. These tiny 'xenobots' can move toward a target and heal themselves after being cut. These novel living machines are neither a traditional robot nor a known species of animal. They're a new class of artifact: a living, programmable organism.
22:56

The advantage of changing sex in fish population recovery

Some fish species recover at different rates when fishing is eliminated inside MPAs. A new study explores how sex-changing fish species can actually recover faster than fixed-sex species.
20:33

Nanosatellites improve detection of early-season corn nitrogen stress

For corn growers, the decision of when and how much nitrogen fertilizer to apply is a perennial challenge. Scientists have shown that nanosatellites known as CubeSats can detect nitrogen stress early in the season, potentially giving farmers a chance to plan in-season nitrogen fertilizer applications and alleviate nutrient stress for crops.
19:19

Researchers solve a scientific mystery about evaporation

Evaporation can explain why water levels drop in a full swimming pool, but it also plays an important role in industrial processes ranging from cooling electronics to power generation. Researchers now have reported a discovery that answers some fundamental questions about the process, which until now had remained a mystery.
19:19

Humanity's footprint is squashing world's wildlife

Using the most comprehensive dataset on the 'human footprint,' which maps the accumulated impact of human activities on the land's surface, researchers found intense human pressures across the range of a staggering 20,529 terrestrial vertebrate species.
19:19

Humanity's footprint is squashing world's wildlife

Using the most comprehensive dataset on the 'human footprint,' which maps the accumulated impact of human activities on the land's surface, researchers found intense human pressures across the range of a staggering 20,529 terrestrial vertebrate species.
17:45

Future subtropical warming accelerates tropical climate change

In response to future fossil fuel burning, climate computer models simulate a pronounced warming in the tropical oceans. This warming can influence the El Niño phenomenon and shift weather and rainfall patterns across the globe. Despite being robustly simulated in computer models of the climate system, the origin of this accelerated tropical warming has remained a mystery. A new study concludes that climate change outside the tropics is the main culprit.
16:11

Global database of all bird species shows how body shape predicts lifestyle

A database of 10,000 bird species shows how measurements of wings, beaks and tails can predict a species' role in an ecosystem.
16:10

Climate gas budgets highly overestimate methane discharge from Arctic Ocean

There is a huge seasonal variability in methane seeps in the Arctic Ocean, according to a new article.
15:42

High temperatures due to global warming will be dramatic even for tardigrades

A research group has just shown that tardigrades are very vulnerable to long-term high temperature exposures. The tiny animals, in their desiccated state, are best known for their extraordinary tolerance to extreme environments.
15:41

Pioneering tool to manage media industry's digital carbon footprint

A collaboration between computer scientists and nine major media companies will help the media industry understand and manage the significant carbon impacts of digital content.
15:41

Chemists find new way to break down old tires into material for new ones

A team of chemists has discovered an innovative way to break down and dissolve the rubber used in automobile tires, a process which could lead to new recycling methods that have so far proven to be expensive, difficult and largely inefficient.
12:58

Climate change unlikely to drive sugar maples north

Sugar maples won't be heading north anytime soon, despite climate change, according to a new study.
12:58

Predicting non-native invasions in Antarctica

A new study identifies the non-native species most likely to invade the Antarctic Peninsula region over the next decade. It provides a baseline for all operators in the region to look at mitigation measures.

January 10 2020

20:53

Low-temp photocatalyst could slash the carbon footprint for syngas

Engineers have created a light-powered nanoparticle that could shrink the carbon footprint of syngas producers.
20:53

SuperTIGER on its second prowl -- 130,000 feet above Antarctica

A balloon-borne scientific instrument designed to study the origin of cosmic rays is taking its second turn high above the continent of Antarctica three and a half weeks after its launch.
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