Science class

By Zach Morrow | Articles related to 8th grade NC science standards

Scientists Grow Full-Sized, Beating Human Hearts From Stem Cells

It’s the closest we've come to growing transplantable hearts in the lab<p>Of the 4,000 Americans waiting for heart transplants, only 2,500 will receive new hearts in the next year. Even for those lucky enough to get a transplant, the biggest risk is the their bodies will reject the new heart and …

Canned Tuna Is Too High In Mercury for Pregnant Women: Health Group

The latest analysis shows that eating fish the way the government recommends is exposing people, especially pregnant women, to unsafe levels of mercury<p>Nutrition experts agree that fish is a good source of protein and healthy fats, but these health benefits often come with a down side. Many fish …

Zoology

A Chinese “mosquito factory” releases 20 million of the little buggers into the wild every week — Quartz

<i>This post has been updated with information about international programs on</i> <i>vector control.</i><p>A Chinese factory is breeding 20 million male mosquitoes a week, and releasing them into nature to copulate with wild female mosquitoes. Its aim—culling the population, and eradicating disease.<p>A team of …

Asia

Newly discovered bacteria eats and digests PET plastic

Japanese scientists have discovered a type of bacteria that eats the plastic commonly found in water and soda bottles.<p>A bacteria that not only eats, …

New plastic-eating bacteria could help save planet

(CNN)Scientists in Japan have discovered a strain of bacteria that can eat plastic, a finding that might help solve the world's fast-growing plastic pollution problem.<p>The species fully breaks down one of the most common kinds of plastic called Polyethylene terephthalate (PET). It's the type often …

Plastic

Things to know about GMO mosquito test proposed in Florida

MIAMI (AP) — The spread of the Zika virus in Latin America is giving a boost to a British biotech firm's proposal to deploy a genetically modified mosquito to try to stop transmission of the disease.<p>Oxitec has genetically modified the Aedes aegypti mosquito, which also transmits dengue and …

Can scientists clone extinct Ice Age cave lion?

Scientists from South Korea and Russia want to clone an extinct cave lion from its DNA.<p>They are using the remains of an Ice Age cub found in Russia's Sakha Republic last year.<p>The scientists are carrying out the work at the Joint Foundation of Molecular Palaeontology, at Yakutsk's North East Russia …

Monster Energy Drink Almost Killed Us, Lawsuits Claim

Consumers say the company should’ve warned them that the caffeine torpedoes could allegedly give them heart attacks, strokes, and kidney failure. The company says that’s just coincidence.<p>Robert Grim was driving to work when the nausea set in. As his vision blurred, the Arizona resident pulled over …

Energy

Why don’t we wipe mosquitoes off the face of the Earth?

It can't be that bad, right?<p><i>This article was written by Mike Jeffries from Northumbria University in Newcastle and was originally published by The</i> …

Mosquitoes

New vaccines for HPV, meningitis recommended for kids and adults

<b>(CNN) —</b> New vaccines for meningococcal type B and HPV and are among the updates to the immunization schedule published for children and adults.<p>The Advisory Committee on Immunization Practices, known as ACIP, makes the updates every year. ACIP is a part of the Centers for Disease Control and …

Kids

Texas Zika case raises concerns that virus can be transmitted sexually

Patient in Texas infected by Zika virus after sexual contact with a partner who had travelled to Venezuela<p>A case of the Zika virus being transmitted between sexual partners reported on Tuesday in Texas has raised new concerns about the transmission of the disease, which is typically spread by …

American South

Gene tweak led to humans’ big toe

Small tweaks of one gene may have helped humans to walk upright.<p>Losing a genetic switch that increases production of a protein called GDF6 may have …

New report says antimicrobial resistance will kill 300 million by 2050

A new report has predicted that 300 million people will die prematurely by the year 2050 thanks to antimicrobial resistance if measures aren’t taken …

Iowa scientists help drive energy transformation

Expecting a baby with the new year, Iowa State University engineering doctoral student Marty Haverly has been thinking a lot about the climate …

22 earthquakes were reported in Oklahoma yesterday, and fracking could be to blame

Another round of moderate earthquakes rattled an area of northwestern Oklahoma on Wednesday.<p>Two temblors shook the ground about 10:30 p.m. with magnitudes of 4.7 and 4.8. Several smaller quakes also were recorded.<p>At least 22 earthquakes, registering at magnitude-2.5 or more, were reported across …

Geology

Zika virus reported in Puerto Rico

<b>(CNN) —</b> Health officials in Puerto Rico reported the island's first case of Zika, a mosquito-borne virus recently linked to the rise of a serious neurological disorder among newborns in Brazil.<p>"There is no reason for alarm, and the public should continue to take commonsense steps to avoid mosquito …

Puerto Rico

'Unprecedented' malaria outbreak in South Sudan

Health workers struggle to contain a severe malaria outbreak as it stretches supplies across the country.<p><b>Aweil, South Sudan -</b> In a remote northwest corner of South Sudan, Theresa Ahok is in a hurry. The 35-year-old is from the village of Adiang and walked for an hour and a half before managing to …

Africa

This Mad Scientist Will Clone 100,000 Cows

This year, a Chinese company plans to open a massive factory to clone 100,000 cows. Just how far will this mass reproductive technology go?<p>Two decades after the birth of Dolly the sheep—the world’s first successfully cloned mammal—the year 2016 will likely see the rise of mass-produced animal …

Science

Four elements earn permanent seats on the periodic table

The seventh row of the periodic table is officially full.On December 30, the International Union of Pure and Applied Chemistry announced that a …

Periodic Table

A terrible environmental disaster is unfolding in Los Angeles — and it's practically invisible

At this very moment, a natural gas well in a quiet, hilly town in northern Los Angeles is spewing hundreds of millions of pounds of methane into the atmosphere.<p>What's worse, workers are not even close to stopping the flow.<p>The leak sprung from a Southern California Gas Company (SoCalGas) natural gas …

Environment

Alarm Spreads in Brazil Over a Virus and a Surge in Malformed Infants

SÃO PAULO, Brazil — A little-known virus spread by mosquitoes is causing one of the most alarming health crises to hit Brazil in decades, officials here warn: thousands of cases of brain damage, in which babies are born with unusually small heads.<p>Many pregnant women across Brazil are in a panic. …

World's first dengue vaccine has been approved in three countries

Every year, mosquito bites cause up to 400 million dengue infections, which in turn lead to about 22,000 deaths. Until recently, health officials had no way to prevent or even treat the disease, but that's about to change. In the last month, three countries — Brazil, the Philippines, and Mexico — …

Dengue fever

Scientists have discovered a new, clean-burning fuel made from unlikely ingredients: coal dust and algae. Coalgae is easy to produce, low in cost, …

Where in the world have we achieved 100% renewable power? — Quartz

In a few places around the world, humans have achieved a feat that seemed impossible just a few years ago, and still seems inconceivable nearly everywhere else: They’ve stopped burning fossil fuels for electricity.<p>Throughout 2015, several nations, states and cities announced they had either managed …

Energy

Mosquitoes engineered to pass down genes that would wipe out their species

'Gene drive' that spreads infertility could eliminate mosquitoes that transmit malaria in Africa.<p>The mosquito that is responsible for most of the …

First dengue vaccine cleared for use in Mexico

Mexican health authorities have approved the first vaccine to gain official acceptance for use against the dengue virus, which infects an estimated 390 million people every year, mostly in Asia, Africa and Latin America.<p>The federal medical safety agency said on Wednesday that the vaccine has …

Mexico

Common Pesticides Linked to Decreased Lung Function in Children

The children studied were California agricultural communities<p>A common type of pesticide used in agriculture may contribute to decreased lung function in children, making it harder for them to breathe and exercise, according to new research.<p>Researchers, writing in the journal <i>Thorax</i>, found an 8% …

Agriculture

No designer babies, but summit calls for cautious research

WASHINGTON (AP) — A tool to edit human genes is nowhere near ready to use for pregnancy — but altering early embryos as part of careful laboratory research should be allowed as scientists and society continue to grapple with the ethical questions surrounding this revolutionary technology, …

Scientists Hooked Up an Inflatable Bag to a Cow Stomach. The Timelapse Video Is Insane.

Cows are gassy beasts. And this gas is bad for the planet. Last year, my colleague Josh Harkinson detailed just how dangerous this gas has become in …

Liberal News