Kathryn hesman: moore & van allen

CRIStruyền bá Gets a Makeover

By: Tina Hesman Saey Narrated by: Jamie Renell Length: đôi mươi mins Unabridged


Bạn đang xem: Kathryn hesman: moore & van allen

Scientists usually shy away from using the word miracle - unless they’re talking about the gene-editing tool called CRISPR/Cas9. “You can vị anything with CRISPR,” some say. Others just điện thoại tư vấn it amazing.


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Babies Low on Key Gut Bacteria at Higher Risk of Asthma

By: Timãng cầu Hesman Saey Narrated by: Mark Moran Length: 1 min Unabridged
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Life"s Cycles: Poking Holes in Classic Models of Circadian Cloông xã Evolution

By: Tina Hesman Saey Narrated by: Mark Moran Length: đôi mươi mins Unabridged

The Earth has rhythm. Every 24 hours, the planet pirouettes on its axis, bathing its surface alternately in sunlight & darkness. Organisms from algae lớn people have sầu evolved to lớn keep time with the planet"s light/dark beat. They vì so using the world"s most important timekeepers: daily, or circadian, clocks that allow organisms to lớn schedule their days so as not khổng lồ be caught off guard by sunrise and sunset. A master cloông chồng in the human brain appears to lớn synchronize sleep & wake with light. But there are more. Circadian clocks tichồng in nearly every cell in the toàn thân.


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Human Body Not Overrun by Bacteria

By: Timãng cầu Hesman Saey Narrated by: Jamie Renell Length: 4 mins Unabridged

More Oxygene May Lead to lớn More Tumors

By: Timãng cầu Hesman Saey Narrated by: Mark Moran Length: 5 mins Unabridged

Breathing at sea cấp độ may be hazardous to lớn your health, a new study hints. The research compared cancer rates for people at living at various elevations và found that lung cancer rates are lower at high elevations where the air is thinner.


Neandertal DNA Poses Health Risks

By: Timãng cầu Hesman Saey Narrated by: Jamie Renell Length: 10 mins Unabridged

Finding Neandertal ancestors in the human family tree was shocking enough when researchers announced it in 2010. Now, the implications for modern-day people carrying surviving Neandertal DNA may prove sầu just as stunning.


Proteins Turn Baông chồng Aging Clock

By: Tina Hesman Saey Narrated by: Jamie Renell Length: 5 mins Unabridged

New Catalog of Human Genetic Variation Could Improve Diagnosis

By: Timãng cầu Hesman Saey Narrated by: Mark Moran Length: 6 mins Unabridged

Genetic Escape Artists Resist Disease

By: Timãng cầu Hesman Saey Narrated by: Caroline Miller Length: 5 mins Unabridged

Some people can evade diseases even though they carry genetic mutations that cause serious problems for others. Researchers found 13 of these genetic escape artists after examining DNA from nearly 600,000 people, the scientists report. Learning how such people, if they truly exist, dodge genetic bullets may help move sầu inherited-disease retìm kiếm from diagnosis to lớn prevention.




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"Selfish" DNA Flouts Rules of Inheritance

By: Tina Hesman Saey Narrated by: Mark Moran Length: 5 mins Unabridged

Although harmful, R2d2 can sweep through mouse populations. ""Selfish" DNA Flouts Rules of Inheritance" is from the March 19, năm 2016 issue of Science News.


Rats Offer DNA Clues to Alcoholism

By: Timãng cầu Hesman Saey Narrated by: Jamie Renell Length: 3 mins Unabridged

Alcoholism may stem from genes being turned on and off incorrectly, a study of hard-drinking rats suggests. Rats bred either lớn drink heavily or khổng lồ shun alcohol have sầu revealed 930 genes linked to lớn a preference for alcohol.


DNA Variants Tied lớn Dog Sociability

By: Timãng cầu Hesman Saey Narrated by: Mark Moran Length: 2 mins Unabridged

Toxicologists Look lớn Epigenetics

By: Timãng cầu Hesman Saey Narrated by: Jamie Renell Length: 8 mins Unabridged

Human Gene Editing Therapies Are OK in Certain Cases, Panel Advises

By: Tina Hesman Saey Narrated by: Jamie Renell Length: 6 mins Unabridged

Human Gene Editing Gets Green Light

By: Tina Hesman Saey Narrated by: Mark Moran Length: 3 mins Unabridged

Gene Editing Helps a Baby Battle Cancer

By: Tina Hesman Saey Narrated by: Mark Moran Length: 6 mins Unabridged

Doctors are performing a different kind of surgery to save sầu patients with maladies ranging from HIV to cancer. They’re using molecular scalpels lớn slice genes. This gen editing helped push a 1-year-old girl’s leukemia inlớn remission, doctors at the Great Ormond Street Hospital in London announced November 5 at a news briefing. Baby Layla’s medical team treated her with immune cells altered by one type of the molecular surgical instruments called TALENs.


Mitochondrial Therapy Has Risk

By: Tina Hesman Saey Narrated by: Jamie Renell Length: 4 mins Unabridged

A new study sounds a cautionary note for a controversial procedure for creating “three-parent babies.” That procedure replaces defective sầu mitochondria, the energy-generating organelles in cells, with healthy ones. But even a tiny amount of defective sầu mitochondria carried over in a transfer may replicate và take over the cell, researchers report.


Big Data, Big Challenges

By: Timãng cầu Hesman Saey Narrated by: Mark Moran Length: 20 mins Unabridged

In my quest to explore the unknown frontier inside my own body toàn thân, I stumbled upon one of the most intractable problems facing science.


Signs of Food Allergies Seen at Birth

By: Tina Hesman Saey Narrated by: Jamie Renell Length: 3 mins Unabridged

A Sugar Can Melt Away Cholesterol

By: Timãng cầu Hesman Saey Narrated by: Jamie Renell Length: 4 mins Unabridged


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A sugar that freshens air in rooms may also clean cholesterol out of hardened arteries. The sugar 2-hydroxypropyl-beta-cyclodextrin, or cyclodextrin, removed cholesterol that had built up in the arteries of mice fed a high-fat diet, researchers report. The sugar enhances a natural cholesterol-removal process và persuades immune cells to lớn soothe inflammation instead of provoking it, say immunologist Eicke Latz và colleagues.



Chuyên mục: Tin Tức