Tracking project establishes northern Argentina is wintering ground of Swainson's hawks
- Watch these six dots move across the map and be moved yourself: this is a story about coming of age, discovery, hardship, death and survival.
- Each dot is a tag attached to the talon of a Swainson's Hawk. We follow them on their very first migration, from northern California all the way down to Argentina.
- After one year, only one is still alive.
Proxima Centauri, our closest star, is more than 4 light years away. Reaching it under 10,000 years will be challenging; reaching it with living humans will be even harder.
- Eventually, humanity will want to travel to a new solar system to propagate the human race, explore, and maybe find signs of alien life.
- But our closest neighbor, Proxima Centauri, is so far away that current methods could take tens of thousands of years.
- How will we surmount this incredible distance and the other challenges associated with interstellar travel?
The new charge was announced in a tweet by the city's mayor.
Silent, carbon-free propulsion with no moving parts.
- A team of scientists at MIT have flown the first ionic-wind aircraft.
- It's the first successful test of the emission-free technology.
- The days of propellers and combustion engines are numbered. Imagine silent aircraft gliding overhead!
The closer together we get, the argument goes, the healthier we'll be.
- The more exposed we are to each other, the less surprising a pathogen will be to our bodies.
- Terrorism, high blood pressure, and staffing issues threaten to derail progress.
- Pursuing global health has to be an active choice.
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