LND topic: lima page 122

lima

Chilling Out: Why Earth's Ice Ages Happen

February 15, 2025

Over the past 540 million years, our planet has experienced some serious chill. Two major cold snaps, including the one we're in right now, have lasted for millions of years. These icy periods, known as icehouses, have puzzled scientists for a long time. They know that these cold spells are linked t

business

Target's Big Change: Family's Surprise and Concern

February 14, 2025

The Dayton sisters, Anne and Lucy, recently expressed their surprise and concern over Target's decision to end its diversity, equity, and inclusion (DEI) programs. This change came after President Donald Trump's election. The sisters, daughters of Bruce Dayton, who helped expand Target, wrote letter

environment

Powering Up: The SF6 Challenge

February 14, 2025

The power industry faces a big problem. It's a gas called sulfur hexafluoride, or SF6. This gas is 23, 500 times more effective at trapping heat than carbon dioxide. It's used in power equipment to stop electrical sparks. As we use more electricity and add more renewable energy, we release more SF6

environment

Equal Voices: The Challenge of Climate Negotiations

February 14, 2025

Climate change is a global issue, and everyone should have a say in how to tackle it. But, in reality, it's not that simple. Imagine a big group project where some students have more resources, more time, and more help. This is similar to the United Nations climate talks. Some countries have more ex

weather

When Rain Meets Fire Damage: Los Angeles' Latest Challenge

February 14, 2025

First, let's talk about the big picture. Los Angeles is no stranger to wildfires and rainstorms. But when these two forces meet, things can get complicated. Recently, the city faced a new challenge. The Eaton Fire, which had already caused significant damage, was followed by a storm. This led to a s

politics

Minnesota Senate Seat Shake-Up: Smith Steps Down, New Faces Emerge

February 13, 2025

Senator Tina Smith of Minnesota has decided not to run for re-election. This news has sparked a flurry of activity among potential candidates from both major political parties. The Democratic Party is facing a tough challenge in trying to regain control of the Senate, where Republicans currently hol

weather

Brace Yourself, Minnesota: A Chilly Night Ahead

February 13, 2025

Minnesota is in for a frosty night. The National Weather Service has warned that temperatures will drop significantly, with wind chills reaching as low as 35 below zero. This extreme cold can cause frostbite on exposed skin in just 10 minutes. It's crucial to stay warm and protected. The advisory i

science

Plants' Cool Tricks: How They Handle Weather and Bugs

February 13, 2025

Plants are strong, they have to be to deal with bugs and weather. They have a secret weapon called phenolic compounds, which act like natural armor. The amount of this armor can change based on where a plant lives. For example, a plant at the base of a mountain might make more phenolic compounds to

science

Solar Power Boost: New Dyes Predicted to Shine Bright

February 13, 2025

Imagine trying to find the perfect dye to make solar cells more efficient. It's like searching for a needle in a haystack, but with a lot more science involved. Researchers have found a clever way to speed up this process by combining quantum chemistry and machine learning. Instead of relying solely

environment

Climate's Mixed Bag in Dengue Spread

February 13, 2025

Climate change is making it harder to control dengue fever. It's not just about the heat, though. The way rain falls and how long the dry season lasts also play a big role. Scientists in the Philippines looked at 16 different areas to figure this out. They used a fancy method to see how temperat