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The Free Press Biology Education Subject Grade 11

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Please review each article prior to use: grade-level applicability and curricular alignment might not be obvious from the headline alone.

People walk up to an overlook at Zabriskie Point, Sunday, Aug. 3, 2025, in Death Valley National Park, Calif. (AP Photo/John Locher)
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Searing heat draws visitors to California’s Death Valley, where it’s tough to communicate the risks

Dorany Pineda, The Associated Press 7 minute read Preview
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Searing heat draws visitors to California’s Death Valley, where it’s tough to communicate the risks

Dorany Pineda, The Associated Press 7 minute read Friday, Oct. 10, 2025

DEATH VALLEY NATIONAL PARK, Calif. (AP) — Ray Estrada's 11-year-old grandson is used to Las Vegas' scorching summers, but he'd always wanted to experience the heat in one of the Earth's hottest places. So Estrada recently drove him to Death Valley National Park, with an umbrella, extra water and electrolytes in tow. That day, the thermometer soared to 118 F (47.78 C).

“We have to be very careful when we go out there,” Estrada told him. “If you start feeling dizzy or whatever... we’re just gonna turn back and be safe so we can do this again another time.”

The extreme temperatures in this stretch of California desert attract visitors every year, some determined to finish a grueling, multiday race, others just curious about the sizzling heat and the landscape's vast beauty. Yet despite the warnings, the heat kills one to three people annually, and park rangers respond to overheated visitors multiple times per week, making communication about heat safety a priority for the National Park Service.

But that's easier said than done.

Read
Friday, Oct. 10, 2025
Participants wore a smart ring, a smart watch, and a smart T-shirt that monitored multiple physiological parameters and activities. In the photo, an Apple Watch in 2015 in Tokyo. (AP Photo/Koji Sasahara, File)
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McGill University team develops AI that can detect infection before symptoms appear

Jean-Benoit Legault, The Canadian Press 4 minute read Preview
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McGill University team develops AI that can detect infection before symptoms appear

Jean-Benoit Legault, The Canadian Press 4 minute read Friday, Oct. 10, 2025

MONTRÉAL - Researchers at McGill University say they developed an artificial intelligence platform that can predict when someone is about to come down with a respiratory tract infection before they start to feel sick.

In what researchers are calling a "world first," the study involved participants who wore a ring, a watch and a T-shirt, all of which were equipped with censors that recorded their biometric data. By analyzing the data, researchers were able to accurately predict acute systemic inflammation — an early sign of a respiratory infection such as COVID-19.

Published in The Lancet Digital Health, the study says the AI platform can one day help doctors address health problems much earlier than they normally would, particularly in patients who are fragile and for whom a new infection could have serious consequences. It could also potentially reduce costs for the health-care system by preventing complications and hospitalizations.

"We were very interested to see if physiological data measured using wearable sensors … could be used to train an artificial intelligence system capable of detecting an infection or disease resulting from inflammation," explained the study's lead author, Prof. Dennis Jensen of McGill University's department of kinesiology and physical education.

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Friday, Oct. 10, 2025
Thomas, a golden retriever mix, lies on a bed in Westchester County, New York, on July 7, 2024. (Lloyd Green via AP)
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Should you let pets sleep next to you? (Does it even matter what the experts say?)

Albert Stumm, The Associated Press 4 minute read Preview
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Should you let pets sleep next to you? (Does it even matter what the experts say?)

Albert Stumm, The Associated Press 4 minute read Friday, Oct. 10, 2025

It turns out, our furry best friend might be our sleep enemy.

Lots of pet owners let their animals sleep on the bed with them, which usually disrupts sleep. But many would say it’s worth it.

And researchers don't necessarily disagree.

Melissa Milanak, a professor at Medical University of South Carolina specializing in sleep health, said most people at her clinic say their pets disturb them often at night.

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Friday, Oct. 10, 2025
FILE
                                Are steroids back?
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Enhanced Games perpetuate a growing problem

Editorial 4 minute read Preview
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Enhanced Games perpetuate a growing problem

Editorial 4 minute read Saturday, Jun. 7, 2025

We appear to be entering a new golden age of steroids.

Years of scandals out of the Olympics, pro baseball, pro wrestling, and other athletic fields should have put to bed the notion that there is any athletic or cultural value in using performance-enhancing drugs, or PEDs, to get an edge. With every suspension, with every prize stripped from a competitor or left tainted by the way it was obtained, the message was clear — it’s cheating, and it’s not worth it.

Some haven’t received the message. The Enhanced Games hopes to hold its first-ever event in Las Vegas, Nev.

The Enhanced Games, as the name suggests, is a multi-sport athletic competition in which athletes are openly using PEDs. The games’ website makes much ado about the close supervision the athletes will be under, overseen by medical professionals to ensure their health and safety.

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Saturday, Jun. 7, 2025
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US measles cases rise slightly as Colorado reports a new outbreak

Devna Bose, The Associated Press 8 minute read Wednesday, Oct. 15, 2025

Measles cases inched up slightly in the U.S. this past week, with a new county impacted in Texas and Colorado reporting a new outbreak.

There are 1,088 confirmed measles cases in the U.S., up 42 from last week, the Centers for Disease Control and Prevention said Friday. Texas, where the nation's biggest outbreak raged during the late winter and spring, reported 10 additional cases this week for a total of 738.

There are three other major outbreaks in North America.

One in Ontario, Canada, has resulted in 1,888 cases from mid-October through May 27. Another in Alberta, Canada, has sickened 628 as of Thursday. And the Mexican state of Chihuahua had 1,693 measles cases and three deaths as of Wednesday, according to data from the state health ministry.

FILE - A Publix grocery store is seen, Aug. 9, 2023, in Neptune Beach, Fla. (AP Photo/Mark Long, File)
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Publix recalls baby food pouches after testing finds elevated levels of lead

Jonel Aleccia, The Associated Press 3 minute read Preview
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Publix recalls baby food pouches after testing finds elevated levels of lead

Jonel Aleccia, The Associated Press 3 minute read Wednesday, Oct. 15, 2025

The supermarket chain Publix has recalled fruit and vegetable baby food sold in eight states because product testing found elevated levels of lead, according to federal health officials.

Publix recalled 4-ounce Greenwise Pear, Kiwi, Spinach & Pea Baby Food pouches sold at more than 1,400 stores.

The pouches were produced by Bowman Andros, a French company with a manufacturing plant in Mount Jackson, Virginia, according to the company's website. Publix issued the voluntary recall on May 9, but it wasn't added to the U.S. Food and Drug Administration recall list until late Thursday.

The potential contamination was flagged by officials in North Carolina, the state that first identified a 2023 lead poisoning outbreak linked to tainted applesauce pouches that sickened more than 500 U.S. children.

Read
Wednesday, Oct. 15, 2025
Marta Guerrero photo
                                Rayna Porter, responsable du développement communautaire pour la SCS ici, à Winnipeg
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Quand le froid gèle la collecte de sang

Hugo Beaucamp 5 minute read Preview
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Quand le froid gèle la collecte de sang

Hugo Beaucamp 5 minute read Saturday, Mar. 8, 2025

Les intempéries hivernales ont parfois des impacts insoupçonnés. Alors que les déplacements ont été rendus difficiles à travers le pays, la Société canadienne du sang doit combler les pertes causées pour répondre à un besoin toujours plus important.

Le temps hivernal s’est montré quelque peu extrême le mois dernier. S’il n’est pas nécessairement évident de faire le lien entre les deux, et bien les aléas météorologiques ont un impact direct sur la collecte de sang au Manitoba et plus largement dans tout le pays.

Aujourd’hui, il faut savoir que, la branche manitobaine de la Société canadienne du sang (SCS), ne compte pas moins de 30 cliniques mobiles. Ces dernières se déplacent trois fois par semaine dans les communautés rurales de la province. Entre autres, Brandon, Portage la Prairie ou bien Selkirk.

Or les intempéries ont provoqué l’annulation de plusieurs centaines de rendez-vous, comme l’explique Rayna Porter, responsable du développement communautaire pour la SCS ici, à Winnipeg.

Read
Saturday, Mar. 8, 2025
FILE - A Tuesday, Dec. 8, 2020 file photo of a Nobel Prize medal. The Nobel Prize in Medicine is due to be awarded on Monday Oct. 4, 2021. (AP Photo/Jacquelyn Martin, File)
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2 win medicine Nobel for showing how we react to heat, touch

David Keyton And Maria Cheng, The Associated Press 5 minute read Preview
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2 win medicine Nobel for showing how we react to heat, touch

David Keyton And Maria Cheng, The Associated Press 5 minute read Monday, May. 18, 2026

STOCKHOLM (AP) — Two scientists won the Nobel Prize in medicine on Monday for their discoveries into how the human body perceives temperature and touch, revelations that could lead to new ways of treating pain or even heart disease.

Americans David Julius and Ardem Patapoutian separately identified receptors in the skin that respond to heat and pressure, and researchers are working on drugs to target them. Some hope the discoveries could eventually lead to pain treatments that reduce dependence on highly addictive opioids. But the breakthroughs, which happened decades ago, have not yet yielded many effective new therapies.

Julius, of the University of California at San Francisco, used capsaicin, the active component in chili peppers, to help pinpoint the nerve sensors that respond to heat, the Nobel Committee said. Patapoutian, of Scripps Research Institute at La Jolla, California, found pressure-sensitive sensors in cells that respond to mechanical stimulation.

“This really unlocks one of the secrets of nature,” said Thomas Perlmann, secretary-general of the committee, in announcing the winners. “It’s actually something that is crucial for our survival, so it’s a very important and profound discovery.”

Read
Monday, May. 18, 2026
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Ban backyard fire pits? Councillor seeks report

Katie May 3 minute read Monday, Sep. 13, 2021

Another pandemic summer saw many homeowners spending more time around backyard fire pits — when conditions weren’t too dry — but some residents with breathing problems have asked a city councillor to try to put a stop to the smoke.

The idea of establishing buffer zones for residential fires will be up for discussion at an upcoming city committee meeting through a motion put forward by Coun. Kevin Klein, who is asking city administration to find out whether a fire-buffer policy exists in other places and would be feasible for Winnipeg.

Klein is not asking for a change to the city bylaw governing residential fires; he said he simply wants the public service to complete a report on the issue because he’s heard several complaints from residents with asthma. He’s also heard from residents who enjoy having fires and don’t want that privilege taken away.

“Some very angry, on both sides, so this is why I think it’s key for us (to get a report),” Klein said.

JESSICA LEE / WINNIPEG FREE PRESS
Students arrive for first day of classes Wednesday at Glenelm School.
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Anxiety, hope as children return to school

Maggie Macintosh 6 minute read Preview
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Anxiety, hope as children return to school

Maggie Macintosh 6 minute read Wednesday, Sep. 8, 2021

On one side of the chain-link fence separating Glenelm School from the street, nervous elementary students fidgeted with their masks and bulky backpacks on the playground as they waited to meet new teachers and friends in lines.

On the other side, parents on the sidewalk — among them, Joisy Fernandez — peeked through the grey diamonds with anxieties of their own.

"I wish I could go in there and just stand next to her and say, ‘It will be OK,’" said Fernandez, who dropped off her daughter Natalie for the first day of Grade 5 on Wednesday morning. "As tough as it is on us, we have to show them that (a safe school year) is possible."

Glenelm, a K-6 building at 96 Carmen Ave., has kept its pandemic policy for drop-offs intact this year to prevent congestion on the playground. Parents are discouraged from entering both the Winnipeg school's grounds and building.

Read
Wednesday, Sep. 8, 2021
Daniel Bahuaud photo
Vanessa Ahing: ‘Je mange du chevreuil, de la bernache et du canard. C’est la viande la plus naturelle qui soit.’
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Chasser, pour avoir la conscience tranquille

Daniel Bahuaud de La Liberté pour le Winnipeg Free Press 4 minute read Preview
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Chasser, pour avoir la conscience tranquille

Daniel Bahuaud de La Liberté pour le Winnipeg Free Press 4 minute read Saturday, Dec. 2, 2017

Vanessa Ahing a été végétarienne pendant plus de quatre années. Par refus de l’industrie de la viande qui, à son avis, est cruelle et nuit à l’environnement. Pourtant, un bon steak lui manquait. Pour réconcilier conscience et palais, un choix nouveau s’imposait...

Un soir de septembre, 2013, Vanessa Ahing rentrait de la campagne, où elle avait abattu son premier chevreuil. Souvenir de l’enseignante de 31ans: “J’étais toute seule. J’avais suivi une formation de chasse pour femmes, organisée par la Manitoba Wildlife Foundation. Mon chevreuil, coupé en quarts, était dans un sac de hockey dans le coffre de ma Honda Civic. C’était mon premier animal. Je voulais vivre l’expérience complète de la chasse. Donc pas question pour moi d’aller chez un boucher. D’ailleurs, j’étais étudiante. Je n’avais pas le fric pour me payer un tel service.

“Je me demandais comment j’allais faire pour préparer cette viande. Je n’ai pas été élevée dans une famille de chasseurs, ou même de jardiniers. Mes parents n’étaient pas prêts à avoir un chevreuil chez eux. Et moi, je vivais dans un petit appartement pour célibataires au centre-ville de Winnipeg.

“Il était tard. Trop tard pour dépecer l’animal tout de suite. Alors, j’ai ouvert les fenêtres de mon appartement. Je me suis endormie dans mon sac de couchage. Le lendemain, j’ai tapé ‘Comment couper de la viande de chevreuil’ sur YouTube. Et je me suis mise à l’œuvre.”

Read
Saturday, Dec. 2, 2017
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