Richard La Manna

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The Plutonium "Demon Core" Killed Two Physicists Without Ever Exploding

<i>Our editors delve into Curiosity's top stories every day on a podcast that's shorter than your commute. Click here to listen and learn — in just a</i> …

Physics

Ask Ethan: How Large Is The Entire, Unobservable Universe?

13.8 billion years ago, the Big Bang occurred. The Universe was filled with matter, antimatter, radiation, and existed in an ultra-hot, ultra-dense, but expanding-and-cooling state. By today, the volume containing our observable Universe has expanded to be 46 billion light years in radius, with the …

Dark Matter

Dark matter: After looking in space, scientists search underground

Dark matter<p>The underground race to solve the universe's biggest mystery<p>Dark matter<p>The underground race to solve the universe's biggest mystery<p>In the …

Dark Matter

Author who studies millionaires: 240 minutes a day separates the rich from everyone else

There are 1,440 minutes in each day. That is the one common denominator we all share. With respect to time, we are all on equal footing. And most …

Self-improvement

Quantum reality more complex than previously thought

Imagine you order a delivery of several glass vases in different colors. Each vase is sent as a separate parcel. What would you think of the courier …

Quantum Physics

A SINFONI of Exoplanets

<b>Q: Let’s start simple: what is an exoplanet?</b><p><b>A</b>: Since 1995, we have known that many stars other than the Sun have their own “solar systems,” with the …

Universe

Stephen Hawking's voice is being sent to a black hole light-years from Earth

Stephen Hawking's voice is speeding through space.<p>The famed cosmologist, who passed away in March at the age of 76, always dreamed of flying to …

Stephen Hawking

Ask Ethan: Could The Energy Loss From Radiating Stars Explain Dark Energy?

When it comes to our quest to understand the Universe, there are mysteries out there that no one knows the solution to. Dark matter, dark energy, and cosmic inflation, for example, are all incomplete ideas, where we don’t know which type(s) of particles or fields are responsible for them. It’s even …

Physics

Physicists Just Found the Last Missing Protons and Neutrons In the Universe

The universe's missing matter has been found, and it's floating between the stars.<p>Researchers who study the ancient history of the universe know how …

Universe

This insane golden chamber contains water so pure it can dissolve metal, and is helping scientists detect dying stars

Hidden 1,000 metres under Mount Ikeno in Japan is a place that looks like a supervillain's dream.<p>Super-Kamiokande (or "Super-K" as it's sometimes referred to) is a neutrino detector. Neutrinos are sub-atomic particles which travel through space and pass through solid matter as though it were …

Physics

Einstein’s Theory of General Relativity Was Confirmed in a Distant Galaxy

Albert Einstein’s theory of relativity revolutionized how we understand space, time, and gravity. While most of us can only boast a surface-level …

Physics

SpaceX just sold the US Air Force the cheapest enormous rocket it’s ever bought

SpaceX has won its first contract to launch a classified military satellite on its Falcon Heavy rocket, beating out rival United Launch Alliance, a joint venture of Lockheed Martin and Boeing.<p>The launch contract will cost the US Air Force $130 million, far less than the $350 million average cost of …

Space Travel

A Common Virus May Play Role in Alzheimer’s Disease, Study Finds

It has long been a controversial theory about Alzheimer’s disease, often dismissed by experts as a sketchy cul-de-sac off the beaten path from mainstream research.<p>But a new study by a team that includes prominent Alzheimer’s scientists who were previously skeptics of this theory may well change …

Dementia

Keystone Virus Makes First Known Jump From Mosquitoes To Humans

<b>Updated at 10:45 a.m. ET Friday</b><p>Just in time for the hot, humid, bug-bite-riddled summer: Researchers from the University of Florida have confirmed the first known case of a human infected with the mosquito-borne Keystone virus.<p>A 16-year-old boy in North Central Florida went to an urgent care clinic …

Public Health

IT'S OFFICIAL: General Relativity Was Just Tested on Galactic Scales, Proving Einstein Right Again

What a shock!<p>The curvature of empty space caused by an entire galaxy has now been pinned down with unprecedented precision, demonstrating Einstein's …

Physics

Supreme Court allows states to collect sales taxes on more online transactions

WASHINGTON — A closely divided Supreme Court upended the nation's Internet marketplace Thursday, ruling that states can collect sales taxes from online retailers.<p>The decision, which overturns an earlier Supreme Court precedent, will boost state revenues at the expense of consumers and sellers who …

South Dakota

Fifth State of Matter May Defy Thermodynamics

Why does food stay solid in your freezer? Why does your tea cool down if you leave it out? Why is your dining room table a uniform temperature, …

Physics

World Health Organization suggests “gaming disorder” as official medical condition

A draft of the International Classification of Diseases manual includes a new definition for “gaming disorder” that is currently pending …

Mental Health

Trump fires back at Beijing with threat of new tariffs on $200 billion in Chinese goods

President Donald Trump has requested the United States Trade Representative to identify $200 billion worth of Chinese goods for additional tariffs at …

China

President Trump directs Defense Department to 'immediately begin the process' of establishing 'space force' as sixth military branch

President Donald Trump declared Monday he will move to make a new branch of the military focused solely on space.<p>"I am hereby directing the …

Donald Trump

WHO classifies 'gaming disorder' as mental health condition

<b>(CNN) —</b> Watching as a video game ensnares their child, many a parent has grumbled about "digital heroin," likening the flashing images to one of the world's most addictive substances.<p>Now, they may have backup: The World Health Organization announced "gaming disorder" as a new mental health …

Mental Health

Trump: U.S. 'will not be a migrant camp ... not on my watch'

WASHINGTON — President Donald Trump and top members of his administration pushed back Monday against a cavalcade of criticism from Republicans, including some prominent White House allies, of a border policy that has led to the detention of immigrant parents and their children at separate …

Immigration

Trump directs creation of 'Space Force' as sixth branch of military

President Donald Trump announced Monday that he has ordered the creation of a new military branch, adding the "Space Force" to the Army, Navy, …

Donald Trump

Most women with a common type of early-stage breast cancer can skip chemo, a new report finds

CHICAGO — The majority of women with the most common type of early-stage breast cancer can safely skip chemotherapy after surgery, according to a highly anticipated new report. The results, released Sunday, are sure to accelerate the decline in chemotherapy for the disease.<p>The findings came from …

Cancer

China warns US trade deals off if tariffs go ahead

BEIJING (AP) — China warned Sunday after another round of talks on a sprawling trade dispute with Washington that any deals they produce "will not take effect" if President Donald Trump's threatened tariff hike on Chinese goods goes ahead.<p>The warning came after delegations led by U.S. Commerce …

China

Here's where the jobs are — in one chart

The U.S. economy created 223,000 jobs in May, soaring above the 188,000 payroll growth estimate from economists surveyed by Reuters. But as always, …

U.S. Department of Labor

US tariffs a dangerous game, says EU

<b>The US is playing a "dangerous game" by slapping tariffs on European steel and aluminium, the European Union's trade commissioner has said.</b><p>Cecilia Malmstrom warned the move by US President Donald Trump would have consequences for the economic recovery of the EU, as well as US consumers.<p>The EU has …

U.S. economy extends its hiring spree, with a better than expected 223,000 new jobs in May

The U.S. economy added 223,000 jobs in May as U.S. companies continued their hiring spree, according to the Labor Department's monthly jobs report released Friday. The unemployment rate fell to 3.8 percent, the lowest since 2000.<p>In a highly unusual move, President Trump tweeted early Friday morning …

Economy

U.S. isolated at G7 meeting as tariffs prompt retaliation

WHISTLER, British Columbia (Reuters) - The United States' closest allies attacked the Trump administration on Friday for imposing tariffs on steel and aluminum imports and mounted challenges with the world's top trade body, fouling the mood at a G7 finance leaders meeting.<p>U.S. Treasury Secretary …

Canada

US construction spending up 1.8 percent in April to record

WASHINGTON (AP) — U.S. construction spending surged 1.8 percent to a record high in April as home building rose by the largest amount in 24 years.<p>The April gain reversed a 1.7 percent drop in March, the Commerce Department reported Friday. The strength stemmed from a sizable 4.5 percent rise in …