Solving mysteries of reproduction helped make parenthood possible for millions

Over the last 100 years, research has shed light on where we come from — how a single fertilized egg manages to develop into an organism that is unique, complex and most decidedly human — and technology has helped spur the process. | Continue reading


@sciencenews.org | 2 years ago

Scientists remotely controlled the social behavior of mice with light

New devices — worn as headsets and backpacks — rely on optogenetics, in which bursts of light toggle neurons, to control mouse brain activity. | Continue reading


@sciencenews.org | 2 years ago

The coronavirus wasn’t made in a lab. A Genetic analysis shows it’s from nature

Scientists took conspiracy theories seriously and analyzed the coronavirus to reveal its natural origins. | Continue reading


@sciencenews.org | 2 years ago

A newfound quasicrystal formed in the first atomic bomb test

Material formed in the wake of the first atomic bomb test contains a strange material that is ordered but that is not a standard crystal. | Continue reading


@sciencenews.org | 2 years ago

Planet-forming disks around stars may come preloaded with ingredients for life

Methanol spotted around a hot, young star probably originated in interstellar space, suggesting some chemistry for life may start before stars form. | Continue reading


@sciencenews.org | 2 years ago

Some viruses thwart bacterial defenses with a unique genetic alphabet

DNA has four building blocks: A, C, T and G. But some bacteriophages swap A for Z, and scientists have figured out how and why they do it. | Continue reading


@sciencenews.org | 2 years ago

Little Foot’s shoulders hint at how a human-chimp common ancestor climbed

The shape of the 3.67-million-year-old hominid’s shoulder blades suggests it had a gorilla-like ability to climb trees. | Continue reading


@sciencenews.org | 2 years ago

A clock's accuracy may be tied to the entropy it creates

How to downgrade Ruby with Homebrew or change Ruby version on macOS with chruby, rbenv, or rvm. From the guide, Install Ruby on Mac. | Continue reading


@sciencenews.org | 3 years ago

Daytime anesthesia gives bees jet lag

Honeybees, as stand-ins for surgery patients, show drug’s aftereffects as biorhythms get out sync. | Continue reading


@sciencenews.org | 3 years ago

Bots

The “xenobots” can swim, navigate tubes, move particles into piles and even heal themselves after injury, a new study reports. | Continue reading


@sciencenews.org | 3 years ago

Frog skin cells turned themselves into living machines

The “xenobots” can swim, navigate tubes, move particles into piles and even heal themselves after injury, a new study reports. | Continue reading


@sciencenews.org | 3 years ago

Moderna and Pfizer Covid-19 vaccines may block infection as well as disease

The mRNA vaccines are about 90 percent effective at blocking coronavirus infection, which could lead to reduced transmission, real-world data suggest. | Continue reading


@sciencenews.org | 3 years ago

What makes 4 promising Covid-19 vaccines unique – and potentially useful

More vaccines still in the works are exploring a variety of approaches, including pills and electrical zaps. | Continue reading


@sciencenews.org | 3 years ago

Drugs that block a brain chemical are game changers for some migraine sufferers

Drugs that block a brain chemical called CGRP are helping some patients who suffer from migraine pain. | Continue reading


@sciencenews.org | 3 years ago

Can room-temperature superconductors work without extreme pressure?

The next generation of materials that conduct electricity with no resistance could shrug off the need for high pressure and low temperatures. | Continue reading


@sciencenews.org | 3 years ago

Explore every gravitational wave event spotted so far

This interactive visualization reveals the diversity of smashups that generate gravitational waves. | Continue reading


@sciencenews.org | 3 years ago

‘Green’ burials are slowly gaining ground among environmentalists

Researchers asked older environmental activists what they planned to do with their bodies after death. Many were unaware of “green” burial options. | Continue reading


@sciencenews.org | 3 years ago

A new laser-based random number generator is the fastest of its kind

A new laser’s chaotic light beam lets the device generate multiple number sequences at once, similar to throwing multiple dice at a time. | Continue reading


@sciencenews.org | 3 years ago

Can privacy coexist with technology that reads and changes brain activity?

An onslaught of new technology aims to listen to — and maybe even change — your brain activity. Readers, scientists and ethicists grapple with the ethical implications of new ways to get inside the skull. | Continue reading


@sciencenews.org | 3 years ago

Fossil mimics may be more common in ancient rocks than actual fossils

Evidence of early life may be harder to preserve than pseudofossils — structures that form abiotically but resemble living remnants. | Continue reading


@sciencenews.org | 3 years ago

How one physicist is unraveling the mathematics of knitting – Science News

Understanding how knots influence textile properties could lead to bespoke materials. | Continue reading


@sciencenews.org | 3 years ago

Humanlike thumb dexterity may date back as far as 2M years ago

A computer analysis suggests early Homo species developed a powerful grip, giving them an evolutionary edge over some other tool-using hominids. | Continue reading


@sciencenews.org | 3 years ago

Phosphorus, a key ingredient of life, has been found in a newborn star system

Astrochemists map phosphorus-bearing molecules in a star-forming cloud, giving clues to how this vital element may have arrived on Earth. | Continue reading


@sciencenews.org | 3 years ago

Monitor lizards’ burrow systems can shelter hundreds of small animals

Two species of Australian monitor lizards dig nests four meters deep. Now scientists reveal that the burrows are home to far more than their creators. | Continue reading


@sciencenews.org | 3 years ago

Space station detectors spot the source of weird ‘blue jet’ lightning

The origins of an enigmatic type of lightning in the upper atmosphere has been traced to a 10-microsecond flash of bright blue light. | Continue reading


@sciencenews.org | 3 years ago

Some bacteria are suffocating sea stars, turning the animals to goo

For years, researchers thought an infectious pathogen was behind sea star wasting disease. Instead, bacteria deplete the starfishes’ oxygen. | Continue reading


@sciencenews.org | 3 years ago

How the Earth-shaking theory of plate tectonics was born

Plate tectonics explains many of Earth’s geologic wonders and natural hazards — and may hold clues to the evolution of life. | Continue reading


@sciencenews.org | 3 years ago

Marie Tharp’s groundbreaking maps brought the seafloor to the world

In part because of her gender, Tharp was the right person in the right place at the right time to make the first detailed maps of the ocean’s bottom. | Continue reading


@sciencenews.org | 3 years ago

Drones could help create a quantum internet

Flying drones sent entangled particles of light to two locations a kilometer apart. | Continue reading


@sciencenews.org | 3 years ago

Earth’s oceans are storing record-breaking amounts of heat

2020 was just the latest in a series of record-breaking years for ocean heat. | Continue reading


@sciencenews.org | 3 years ago

Ancient people may have survived desert droughts by melting ice in lava tubes

Bands of charcoal from fires lit long ago, found in an ice core from a New Mexico cave, correspond to five periods of drought over 800 years. | Continue reading


@sciencenews.org | 3 years ago

Two stones fuel debate over when America’s first settlers arrived

Stones possibly used to break mastodon bones 130,000 years ago in what is now California get fresh scrutiny. | Continue reading


@sciencenews.org | 3 years ago

Giant pandas may roll in horse poop to feel warm

By coating themselves in fresh horse manure, wild giant pandas may be seeking a chemical in the poop that inhibits a cold-sensing protein. | Continue reading


@sciencenews.org | 3 years ago

An enormous supervolcano may be hiding under Alaskan islands

A geologic game of connect the dots reveals hints that Mount Cleveland, the Aleutians’ most active volcano, may sit on a giant undersea crater. | Continue reading


@sciencenews.org | 3 years ago

The new light-based quantum computer Jiuzhang has achieved quantum supremacy

A second type of quantum computer has now performed a calculation impossible for a traditional computer. | Continue reading


@sciencenews.org | 3 years ago

The ‘last mile’ for Covid-19 vaccines could be the biggest challenge yet

The need for cold storage and booster shots could create problems for distributing coronavirus vaccines to nearly everyone in the world. | Continue reading


@sciencenews.org | 3 years ago

Why Covid-19 vaccines like Pfizer’s need to be kept so cold

Both Pfizer and Moderna built their vaccines on RNA. Freezing them keeps their fragile components from breaking down. | Continue reading


@sciencenews.org | 3 years ago

A photon’s journey through a hydrogen molecule is the shortest event ever timed

The shortest duration ever measured is 247 zeptoseconds, or trillionths of a billionth of a second. | Continue reading


@sciencenews.org | 3 years ago

Passion, luck and sweat saved some of North America’s rarest plants

Plant enthusiasts go to extremes trying to save beloved species. | Continue reading


@sciencenews.org | 3 years ago

Female big-game hunters may have been surprisingly common in ancient Americas

A Peruvian burial that indicates that women speared large prey as early as 9,000 years ago sheds new light on gender roles of ancient hunter-gatherers. | Continue reading


@sciencenews.org | 3 years ago

Mummified llamas yield new insights into Inca ritual sacrifices

Bound and decorated llamas, found at an Inca site in southern Peru, may have been buried alive as part of events in annexed territories. | Continue reading


@sciencenews.org | 3 years ago

Doubts over a ‘possible sign of life’ on Venus show how science works

Detecting phosphine in Venus’ atmosphere made headlines, but reanalyses and new searches call into question the original discovery of the molecule. | Continue reading


@sciencenews.org | 3 years ago

Galileo’s famous gravity experiment holds up, even with individual atoms

When dropped, two types of atoms accelerate at the same rate despite their differences, much like objects in Galileo’s leaning Tower of Pisa experiment. | Continue reading


@sciencenews.org | 3 years ago

Bat scientists are socially distancing from their subjects

Scientists are calling for a “hands-off” approach to research to decrease the chances of spreading the coronavirus to bats in North America. | Continue reading


@sciencenews.org | 3 years ago

Microstructures in beetle’s armor make it nearly impossible to squish

The diabolical ironclad beetle is an incredibly tough little creature. A peek inside its exoskeleton reveals what makes it virtually uncrushable. | Continue reading


@sciencenews.org | 3 years ago

Fire ants build little syphons out of sand to feed without drowning

To escape a watery death, some fire ants use build sand structures that draw the insects’ sugary, liquid food out of containers and to a safer place. | Continue reading


@sciencenews.org | 3 years ago

Venus flytraps store short-term ‘memories’ of prey

Glowing Venus flytraps reveal how calcium buildup in the cells of leaves acts as a short-term “memory” that helps the plants identify prey. | Continue reading


@sciencenews.org | 3 years ago

The first room-temperature superconductor has finally been found

A compound of carbon, hydrogen and sulfur conducts electricity without resistance up to 15° C, but there’s a catch: It works only under high pressure. | Continue reading


@sciencenews.org | 3 years ago