Top Science-Technology News


Welcome to the “Top Science-Technology News” from Hawaii Science Digest.

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Tigers Extinct in Laos

The snaring crisis in Southeast Asia appears to have claimed the lives of the country’s last wild tigers — Read more on
Deep Breather

Explaining the very long steps of Earth’s oxygenation—and perhaps that of other planets, too — Read more on
RIP Jerome L. Singer, “The Father of Daydreaming” (1924-2019)

A seminal psychologist who explored the positive, creative and productive aspects of daydreaming has passed away at the age of 95 — Read more on
November 2019: Earth’s Second Warmest November on Record

The year 2019 is very likely to be Earth’s second warmest on record, behind 2016 — Read more on
How Do You Save an Endangered Tree from Extinction When You Can’t Save Its Seeds?

“Recalcitrant” seeds hold the secret to saving a critically endangered Indian tree—thanks to a bit of human help — Read more on


Three Studies Are Showing Bees’ Amazing Math Abilities

#32 in our top science stories of 2019.
Esketamine, A New Antidepressant, Could Be A Game Changer

#31 in our top science stories of 2019.
What Does It Mean When Everyone Can Get Their DNA Sequenced?

#30 in our list of the top science stories of 2019
Why Does the Keto Diet Cause Brain Fog?

Those just starting out on the trendy diet often experience short-term difficulties thinking and concentrating.


The world started to wake up to climate change in 2019 – now what?

At last, the public is calling for urgent action to tackle global warming and politicians are falling over themselves to get on board, says Adam Vaughan
Weird jaguar catfish is covered in spines and lives in wooden logs

A newly described catfish, found in Brazil and Peru, is covered in spines, lives in a log, has spots like a jaguar and has serrated fins
2019 saw the tragic and unnecessary return of measles in the US

Once deemed a problem of the past in rich nations, the deadly infection has made a huge comeback, reports Chelsea Whyte


Boeing capsule returns to Earth after aborted space mission

Boeing safely landed its crew capsule in the New Mexico desert Sunday after an aborted flight to the International Space Station that threatened to set back the company’s effort to launch astronauts for NASA next year.
After mission failure, Boeing Starliner returning to Earth early

Boeing’s new Starliner spacecraft will return to Earth on Sunday, six days early, after a clock problem prevented a rendezvous with the International Space Station, NASA and the aerospace giant confirmed Saturday.
Scientists struggle to save seagrass from coastal pollution

Peering over the side of his skiff anchored in the middle of New Hampshire’s Great Bay, Fred Short liked what he saw.
Notre Dame fire wakes the world up to dangers of lead dust

It took a blaze that nearly destroyed Paris’ most famous cathedral to reveal a gap in global safety regulations for lead, a toxic building material found across many historic cities.
Israeli museum explains the emojis of ancient Egypt

How does an academic explain the importance of ancient hieroglyphics to modern audiences glued to their phones? Through the cunning use of emojis.
Cheers! Scientists take big step towards making the perfect head of beer

Drinkers will soon be cheering all the way to the bar thanks to a team of scientists who have taken a big step forward in solving the puzzle of how to make the perfect head of beer.


How one of the most remote places in the world hosts some of the most incredible science

A science lab at the edge of the world. (Adam Simpson/) In 1911, famed Norwegian explorer Roald Amundsen’s team of trekkers became the first humans to reach the South Pole. They stayed for less than a week. But today, one of the most isolated spots on Earth hosts residents year-round. The Amundsen-Scott South Pole Station’s position at the bottom of the globe and ­seclusion from society enables s


Neurons responsible for rapid eye movements/REM during sleep

Why do we move our eyes fast in the paradoxical sleep — in that sleep phase, in which most dreams take place? The secret is not yet fully aired, but we are on his track: A team has identified the nerve cells behind this curious phenomenon.
Popular gyms undermining health with tanning beds

Popular gym chains across the country capitalize on the broad desire to get healthy in the New Year with persuasive post-holiday marketing campaigns, but they’re also undermining public health warnings about the dangers of indoor tanning, according to a new study.
Bark beetles control pathogenic fungi

Pathogens can drive the evolution of social behavior in insects.
Chronobiology: ‘We’ll be in later’

Students attending a high school in Germany can decide whether to begin the schoolday at the normal early time or an hour later. According to chronobiologists, the measure has had a positive effect on both their sleep and learning experience.
Improvements in vaccines against meningitis

New research could lead to an improved vaccine to protect against the bacterium, Neisseria meningitides that causes sepsis and meningitis.
Ecological impacts of palm stearin spill to the coastal ecosystem

In August 2017, a marine accident occurred in the Pearl River Estuary where a cargo vessel accidentally released about 1,000 tons of palm stearin into the sea, where over 200 tons reached the southwest coasts of Hong Kong. Subsequently a research team launched an 18-month investigation on the degradation, bioaccumulation, and toxicity of the palm stearin through bother field- and laboratory-based


The Science Behind Why No Two Snowflakes Are Alike

A physicist’s obsession with unusual snow crystals has led him to pursue a grand unified theory of how they form.
The Firefox Browser Settings You Should Tweak Right Now

Get the most out of Mozilla’s Firefox browser with these tips and tricks.
Car Share Shrinks, a Tax Break Vanishes, and More Car News This Week

Share Now says it is leaving North America, and Tesla buyers will no longer get help from Uncle Sam for their EVs (and GM buyers are next).
Lesbian Culture Went Viral, Finally, in 2019

From Megan Rapinoe to the “gay rights” meme, queer women’s culture was all over the internet this year.
Bitcoin’s Path From Insurgents’ Talisman to Tool of Big Tech

Blockchain technology was designed to thwart big institutions. Now the likes of Facebook and Twitter are co-opting it.
Trump’s Impeachment Tops This Week’s Internet News Roundup

President Trump was officially charged with abuse of power and obstruction of Congress. Then came the tweets.

For the latest trends in science, technology, medicine, health, the environment, cyber security, and artificial intelligence, please check the blog sidebars and links.  News feeds are updated daily.

Until next time,

Russ Roberts (the daily update). (breaking science and technology news).


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