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Shared mobility: Making travel easier for all

Carshares, bikeshares and the like are a positive for the environment, though access to them isn’t equal. What can be done to give everyone more transportation options?

At the dawn of life, did metabolism come first?

Some scientists propose that in the beginning, geochemistry gave way to biochemistry — with no genetic material necessary. Only later did RNA and DNA appear.

How stress shapes cancer’s course

Studies show psychological strain can accelerate tumors — could beta blockers slow them down?

Everything you need to know about bird flu

How dangerous is it? Where did it come from? H5N1 influenza’s origins stretch back to the 1990s, and key events paved the way for the outbreak we’re seeing today.

How cancer cells travel to new tissues and take hold

Understanding these astonishing migrations through the human body, known as metastases, could suggest novel treatments

Ghost rivers, hidden lakes: The long search for water on Mars

Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.

For climate and livelihoods, Africa bets big on solar mini-grids

Nigeria is pioneering the development of small, off-grid solar panel installations to bring reliable electricity to remote communities — setting a model for other African countries

Born in thin air: Overcoming the challenges of pregnancy at high elevation

In people not adapted to life at altitude, the sparse oxygen can impair fetal growth, causing problems that can last a lifetime. Researchers are searching for remedies.

Why sizzling cities are mapping hot spots street by street

In metros like Reno, Nevada, citizen scientists hit the road to collect detailed temperature data — key to taming urban heat, saving lives and designing for a warmer future

It began with a rabbit: Unraveling the mystery of memory

Half a century after the discovery of long-term potentiation, we’re still learning how the brain remembers

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Pig organs in people: The future of cross-species transplants

Can genetically modified animals help ease the shortage of organs? After years of research into xenotransplantation, the field is at a turning point — yet risks and ethical issues remain.

Huh? The valuable role of interjections

Utterances like um, wow and mm-hmm aren’t garbage — they keep conversations flowing

Meet the capuchin monkey: Curious, creative and vengeful

UCLA’s Susan Perry has devoted decades to studying the fast-motion life of these New World primates and learning how the young acquire the skills they need to thrive

The teeming life of dead trees

Rotting logs turn out to be vital to forest biodiversity and recycling organic matter

Moon rocks reveal hidden lunar history

As NASA astronauts aim for landings in 2027, geologists find surprises in recently retrieved samples from the far side

Bringing the hospital into the home

A movement to provide hospital-level care for sick patients in their own beds, in the comfort of familiar surroundings, is growing in the United States — a trend already embraced in some other countries

Why regulating AI is so hard — and necessary

Misinformation, market volatility and more: Faced with the need to mitigate risks that artificial intelligence presents, countries and regions are charting different paths

Why scientists are enlisting fungi to save endangered plants

The mycorrhizae that live among and in plant roots can boost the health of certain species, and even whole ecosystems — but scientists warn against a one-size-fits-all approach

The caterpillars that can kill you

Some species make venoms that are deadly. With more research, those toxic compounds could yield useful medicines.

We are all genetic mosaics

Picture your body: It’s a collection of cells carrying thousands of DNA errors accrued over a lifetime — many harmless, some bad, and at least a few that may be good for you.

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