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Magazine about Earth, Science and Energy

Tech Editor & Advisor

Hugo Rojas

Hugo is an engineer with strong technical expertise and deep knowledge of the space industry. Multilingual from an early age, his writing combines technical clarity with a strong interest in science and energy.

917 articles for The Pulse LinkedIn

—Latest by Hugo Rojas

A researcher holding one of the garden bumblebees between two fingers

With fewer than 1 million neurons, garden bumblebees rolled a foam ball into place as a step stool and cracked a chimpanzee insight puzzle nobody had trained them to solve

AUG 8, 2026

A dead basking shark on a Scottish beach tangled in rope

A 24 foot basking shark washed up dead on a Scottish beach with rope wound from its tail to its mouth, and it took a forklift to carry the gentle giant away

AUG 8, 2026

Crane lifting a blade of the 26 MW turbine

Blades 502 feet long turn on the world’s biggest 26 MW turbine at a test base in Shandong, and the circle they sweep covers 829,000 square feet, about 14 American football fields

AUG 8, 2026

Elephants return to solar plant

Elephants in southern Sri Lanka eat the thorn scrub that 17 small solar projects are clearing, and each project was reviewed on its own so nobody ever looked at the elephant habitat as a whole

AUG 8, 2026

Earthworms in soil, a study links glyphosate to lower earthworm reproduction

Roughly 300 million US acres get glyphosate each year, and in a greenhouse test one dose cut earthworm reproduction by more than half in three months

AUG 8, 2026

Demolition beginning beneath the I-81 viaduct in downtown Syracuse

Syracuse counted 8 of every 9 of its Black residents in one ward, and the I-81 viaduct built through it in the sixties is coming down under a contract that costs more than the whole project was budgeted at

AUG 8, 2026

A person shower singing behind a steamy glass shower door

Shower singing does far more for your mood than your cortisol, and the 2025 study that tied singing to sharper memory actually followed older adults through 11 months of choir

AUG 7, 2026

Camera filming a honey badger shoving a rock toward the wall

Keepers took every tool out of the camp and put 2 locks on the gate, and the honey badger dug up rocks and stacked them into a step, though a top primate expert calls it a possible hoax

AUG 7, 2026

A giant Caterpillar excavator riding a hydraulic trailer down a highway

A giant Caterpillar excavator weighs about 94 tons, more than twice the legal road limit, and the real marvel in the convoy is not the digger but the hydraulic trailer beneath it

AUG 7, 2026

Harbor seals surfacing beside an offshore wind turbine foundation

Tags on North Sea harbor seals showed 11 of them swimming inside 2 offshore wind farms, and 3 worked the turbines row by row like a grid, stopping at each leg to hunt

AUG 7, 2026

A wind turbine above water with black sea bass below

When 12 steel towers went up 35 miles off Montauk, biologists knew what would follow, because black sea bass had already turned an older wind farm’s legs into a reef

AUG 7, 2026

Sorting Jonah crabs on deck beside offshore wind turbine legs

Mussels spread 160 feet out from a turbine leg off Rhode Island inside 3 years, and the Jonah crabs turning up around those legs are why lobster boats out of Point Judith carry a doctoral student twice a month

AUG 7, 2026

Gloved hands cutting spinach in the shade beneath the panels

Farmworkers pick crops on a Colorado farm under 3,276 solar panels, and four years of measurements show the shade beneath the panels takes up to 10 degrees off the heat they work in

AUG 7, 2026

Two commuters talking to strangers across a train aisle

Talking to strangers on a morning train was something 93 percent of Chicago commuters said they would rather avoid, and then not a single one of the people who actually tried it got turned down

AUG 6, 2026

A grounded cargo ship stopped beside a Norwegian house at dawn

A Ukrainian officer dozed off at 16 knots, and his 443 foot cargo ship sailed itself onto a Norwegian shore, stopping about 23 feet from a sleeping man’s bedroom wall

AUG 6, 2026

Wildlife biologist scooping an American crocodile hatchling from a cooling canal at night

He has worked the 168 miles of cooling canals at a Florida nuclear plant with a headlamp and a mesh bag for years, and 606 American crocodile hatchlings passed through his hands this summer

AUG 6, 2026

Milling machine removing the solar road surface in Normandy

Digging out the world’s first solar road took a crew 2 weeks, 8 years after France laid two thirds of a mile of panels into a Normandy lane that never made half the power it promised

AUG 6, 2026

A white wolf billed as a dire wolf being petted

Reading a 72,000 year old ear bone, biologists discovered the dire wolf was never a wolf, and no amount of gene editing can bring the real one back

AUG 6, 2026

Firefighters responding to the COP30 Belém fire with smoke rising above the pavilion, fire broke out

Smoke filled the pavilion row on day 11 of the summit in Belem, and the COP30 fire was out in 6 minutes while the forest outside had just finished its worst burning year in over two decades

AUG 6, 2026

Cows, solar panels

Tennessee cattle farmers keep hearing that solar takes land out of farming, so a 20 acre solar farm raised its panels, taught them to lie flat, and turned 10 cows and their calves loose underneath

AUG 6, 2026

Chernobyl catfish moving under the surface of the cooling pond

Pumps kept Chernobyl’s cooling pond full for 13 years after the last reactor was switched off, and the biggest Chernobyl catfish ever measured there came in at 5 feet rather than the monster in the photographs

AUG 5, 2026

Ship noise droning through the water toward North Atlantic right whales

A low 150 hertz drone was wearing down the right whales, until a boat, sniffer dogs, and a pile of scat finally traced it to passing ships

AUG 5, 2026

Farmer finds a Bradford pear thorn through his tractor tire

A farmer found a 4 inch thorn driven clean through his tractor tire, and it traced back to the Bradford pear nurseries had sold as a tidy, sterile street tree

AUG 5, 2026

Molten salt storage tanks at a new Wyoming nuclear plant site

An old coal town in Wyoming is getting a 4 billion dollar reactor cooled by liquid sodium, and a tank of molten salt lets it surge from 345 to 500 megawatts like a giant battery

AUG 5, 2026

Solar plant welcomes 40 sheep

A community let 40 sheep loose under 20,000 panels at an English solar farm, and the flock ended up reshaping how the whole site is built and run

AUG 5, 2026

Orca birth watched from a small boat off a Norwegian island

Cameras had recorded an orca birth in captivity for decades, and the 6 whale watching boats sitting off a Norwegian island in November finally caught one in open water

AUG 5, 2026

Drone hovering over a gizzard shad swarm on Lake Huron

A drone over Lake Huron caught nearly 4 million gizzard shad swarming a nuclear plant’s warm water, and the fish city that looked so alive was a mass grave in the making

AUG 5, 2026

Water filtered on a gravel bar in the slender chub search

Water from 43 sites in eastern Tennessee went through a test rebuilt from museum specimens after a failed freezer erased the last usable tissue, and 3 of those samples carried slender chub DNA

AUG 5, 2026

a vulture feeding on a carcass on an open African plain, illustrating vulture sanitation value, zambia provide sanitation

Vultures in Botswana, Zimbabwe and Zambia provide sanitation and other services worth about 1.8 billion dollars a year, and India’s vulture collapse cost an estimated 69 billion dollars annually in lost lives

AUG 4, 2026

Old New York subway cars sunk as a reef with fish

New York stripped the wheels off more than 2,500 old subway cars and dropped them into the Atlantic, and within 7 years the sunken steel was feeding 400 times more sea life than the bare ocean floor

AUG 4, 2026

Hopper dredge rebuilding a Florida beach where sea turtles nest

A 346 foot dredge named the Amelia Island just joined America’s coast, and every load of sand it pumps ashore rebuilds the exact Florida beaches sea turtles need to nest

AUG 4, 2026

wildlife biologist carrying a large Burmese python through Everglades marsh water, collier county pulled

Biologists in Collier County pulled 8,080 pounds of Burmese pythons from 200 square miles of Everglades in one season, and the 4,100 eggs they also removed matter because the snakes are already hatching on Key Largo

AUG 4, 2026

Every year on Florida's beaches, more than 100,000 sea turtle hatchlings crawl the wrong way, and the blue glow of ordinary white LED bulbs is what points them inland

Every year on Florida’s beaches, more than 100,000 sea turtle hatchlings crawl the wrong way, and the blue glow of ordinary white LED bulbs is what points them inland

AUG 4, 2026

Climber alone in a dark cave chamber during 500 days underground

A climber sealed herself 230 feet under a Spanish mountain to spend 500 days underground, and by day 65 she had lost all track of time

AUG 4, 2026

Beneath solar panels

Solar farms were assumed to be a hole punched in the living world, and 5 years of counting under the panels at 2 Minnesota sites found insect numbers tripled and flowering plant variety up sevenfold

AUG 4, 2026

Virgin Atlantic jet cruising above the ocean at 802 mph

A near record 265 mph jet stream over the mid Atlantic shoved a Virgin Atlantic jet to 802 mph, and it reached London 45 minutes early with nobody aboard feeling a thing

AUG 4, 2026

Truck of rented beehives at a California orchard with wild bees

Every spring California trucks in 1 million rented beehives, and a free army of wild bees hands those same farms up to 2.4 billion dollars more

AUG 4, 2026

Five workers dwarfed by the bucket wheel of a mine excavator

A crew of 5 works the biggest bucket wheel ever built, 315 feet of steel moving 240,000 tons of German ground a day, and a termite mound does the same sorting job with no machinery at all

AUG 3, 2026

Overturned truck and turbine blade under a railroad trestle

A 240 foot turbine blade clipped a railroad trestle on Route 1 at dawn, flipped the truck under it, and then had to be carried backward to the port it had left an hour earlier

AUG 3, 2026

Nonstick pans with worn coating on a home kitchen stove

Nonstick pans sit in 9 out of 10 American kitchens, and the compound that made them possible for 50 years is the one turning up in polar bear blood at factory town levels

AUG 3, 2026

floating solar panels on a calm reservoir at overcast dawn

Modelers put floating solar over 11 reservoirs in 6 states and found the shade helped trout in some lakes, did almost nothing in others, and never returned the same answer twice

AUG 3, 2026

Volunteers counting clustered monarch butterflies in a coastal grove

They counted 12,260 monarchs on the California coast this winter, the third lowest tally in almost 30 years, and the native milkweed that every caterpillar needs vanished from Midwest farm fields long before that

AUG 3, 2026

Dried bee specimen ground to powder to test for magnetic particles

Materials scientists ground up 96 bee species and found magnetic particles in 74 of them, and the signal was strongest in the biggest and most social bees rather than spread evenly across the family

AUG 3, 2026

Field team measuring city sky brightness beside rolling dung beetles

A field team measured skies 10 times brighter over Johannesburg than over the bush, and the dung beetles living under them had swapped the Milky Way for the nearest lit building

AUG 2, 2026

A hydrologist sampling a creek beside stones holding mayfly larvae

Government hydrologists measured 80 pesticides at 81 river sites for 10 years and found two thirds of them above the limit meant to keep mayfly larvae and other stream insects alive

AUG 2, 2026

Researcher filming the waggle dance through an observation hive

Researchers raised 5 colonies of young bees with no experienced dancer to copy, and the waggle dance those bees invented carried a distance error they never corrected in 38 days of life

AUG 2, 2026

Hose pulling used cooking oil from a tank behind a restaurant

Kitchens across America pour out 2 million gallons of used cooking oil every day, and the barrel a restaurant once paid somebody to haul away has become a locked tank that the hauler pays to empty

AUG 2, 2026

Survey stake going in near a farmhouse before home values move

They tracked 500,000 home sales around 428 US wind projects and found the hit to home values starts about 3 years before anyone breaks ground, then disappears once the turbines are running

AUG 2, 2026

Navy dolphins beside a boat as an encrusted torpedo is lifted

Handlers ignored the first alert from 2 Navy dolphins off Coronado, then divers brought up a torpedo the battleship Iowa had lost during target practice more than a century earlier

AUG 2, 2026

Curator examining the sea scorpion slab in a closed museum

Lockdown gave a Queensland curator time to reopen a 3 decade old fossil case, and the sea scorpion he identified is the last one that ever lived, dying out with the end Permian extinction

AUG 2, 2026

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