All Stories by Nikk Ogasa
- Climate
Climate change made 2024 the hottest year on record. The heat was deadly
Heat waves fueled by climate change killed scores of people and upended daily life. Here are some of those stories.
- Climate
From electric cars to wildfires, how Trump may affect climate actions
Trump’s first term, campaign pledges and nominees point to how efforts to address climate change and environmental issues may fare.
- Climate
Climate change has amped up hurricane wind speeds by 29 kph on average
Every single Atlantic hurricane in 2024 had wind speeds supercharged by warming seas. One even jumped two categories of intensity.
- Oceans
The world’s largest coral was discovered in the South Pacific
The behemoth coral, discovered in October in the Solomon Islands, is longer than a blue whale and older than the United States.
- Environment
Fire-prone neighborhoods on the fringes of nature are rapidly expanding
The transition zone where unoccupied wildlands meet developed areas increased globally by about 35 percent from 2000 to 2020.
- Tech
Feather-inspired airplane flaps could boost flight performance
Rows of flaps inspired by bird wing feathers improve airfoil performance by boosting lift, reducing drag and mitigating stall.
- Math
Two teenagers have once again proved an ancient math rule
Ne’Kiya Jackson and Calcea Johnson have published 10 trigonometric proofs of the Pythagorean theorem, a feat thought impossible for 2,000 years.
- Earth
What leads rivers to suddenly change course?
An analysis of satellite data could help predict where rivers will change their course and where their rerouted flows will go.
- Climate
Why Hurricane Helene was so devastating
The tempest caused record-breaking storm surge on the coast and widespread and deadly flooding and debris flows in the Appalachian Mountains.
- Oceans
A vital ocean current is stable, for now
The Florida Current, a major contributor to a system of ocean currents that regulate Earth’s climate, has not weakened as much as previously reported.
- Physics
X-rays from nuclear blasts could defend Earth from asteroids
The X-ray pulses could deflect asteroids up to 4 kilometers wide, a new study suggests.
- Environment
A biogeochemist is tracking the movements of toxic mercury pollution
Exposing the hidden movements of mercury through the environment can help reduce human exposure.
