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孫にまで受け継がれる暴力によるエピジェネティックな痕跡

エピジェネティックな痕跡とは、ストレスやその他の出来事に反応して生じる、DNA配列そのものの変化（ジェネティックな痕跡）ではなく、DNAに施されるメチル化などの化学修飾の変化のことで、それにより対応する遺伝子を静かにしたり、活発にしたりすることができます。また

2025/02/28 18:10

地球の軌道が氷河期を引き起こす仕組みが明らかに～気候変動がなければ、次の氷河期は11,000年後

数十年にわたる研究にもかかわらず、太陽放射サイクルのさまざまな部分が氷河サイクルにどのように影響するかは正確にはわかっていませんでした。

2025/02/28 13:33

アスパルテームに深刻な心臓疾患を引き起こす恐れ

🥤 One of the most common sugar substitutes has been found to spike insulin levels in mice, and in turn helps build up fatty plaque in their arteries, and experts from @dr_oli_jones @RMIT @ianfmusgrave @UniofAdelaide @MonashUni respondhttps://t.co/CtgYHAB

2025/02/21 21:11

マイクロソフトは量子コンピューティングの画期的な進歩を主張しているが、一部の物理学者は懐疑的

Introducing Majorana 1—the world’s first quantum processor powered by topological qubits, featuring a new state of matter. This breakthrough marks a significant step toward scalable quantum computing. Learn more: https://t.co/CoxjyQWkSB #QuantumReady pi

2025/02/21 20:07

ブレーキパッドの排出物はディーゼル排気ガスよりも有毒

Our researchers @JamesParkinSci @MattLoxham @UoS_Medicine have shown tiny particles emitted by some commonly fitted brake pads can be more toxic than those in diesel exhaust.Read more 👉 https://t.co/BuQK5CJgpX pic.twitter.com/HXFF5aQ46G— University of S

2025/02/18 17:09

豚肉タブーの起源

For centuries, scholars struggled to understand one of humanity's most deeply entrenched dietary restrictions: pork. Archaeologists are now attempting to uncover why the once plentiful animal became scarce long before religious taboos were enacted.https:/

2025/02/17 18:45

別腹は本当だった！その科学的根拠とは

Our #brain has a sweet tooth 🧠🍫 Nerve cells that tell to us we are full also make us crave #sweets ! https://t.co/SGd0Kkr7BX @MPI_Metabolism pic.twitter.com/15uc5fEpeQ— Max Planck Society (@maxplanckpress) February 14, 2025 糖分を多く含む食品は、食後や

2025/02/14 19:22

一部のホルモン避妊薬に脳卒中や心臓発作のリスク

Certain hormonal contraceptives are associated with a higher stroke & heart attack risk finds a study from Denmark in @bmj_latest today. It draws on prescription records to give more precise estimates for different products than previous studies. Read it:

2025/02/14 13:48

検出困難な膵臓がんを85%の精度で検出できる安価な新しい血液検査

ICYMI:Researchers at @OHSUNews have developed a test, which uses a small blood sample to detect changes in protease activity — a key indicator of pancreatic ductal adenocarcinoma, the most common and deadly form of #PancreaticCancer.#OHSUResearch: https:

2025/02/14 13:02

シャコが自ら放つ致命的な衝撃波から自身を守る秘密とは

Nothing else in the animal kingdom packs a punch like the mantis shrimp. This tiny, colorful crustacean delivers a wallop at 23 meters per second – a king-hit delivering a jaw-dropping 1,500 newtons of force to crack open the shells of their prey.https:/

2025/02/12 14:25

既存の心臓薬にがんの転移を防ぐ効果、臨床試験で確認

Successful test in #Breast #Cancer patients: the active agent digoxin, a cardiac #Medication, dissolves clusters of circulating breast cancer cells in the blood, thus reducing the risk of #Metastases formation. https://t.co/u4YiK7Lmza— ETH Zurich (@ETH_e

2025/02/10 19:44

自転車通勤をする人は病欠日数が少ない

Study confirms: commuting by bicycle reduces sick leave and the risk of long-term sick leave, as long as the distance is sufficient. It's worth supporting active commuting!Check out the study👇 @EssiKalliolahti #workabilityhttps://t.co/s799qTXGg8— FIOH (

2025/02/09 17:36

古代DNAがインド・ヨーロッパ語族の起源を示唆

今回、Nature誌に掲載された最新研究によれば、英語、サンスクリット語、その他数百の言語の起源となったインド・ヨーロッパ語族の起源に関して、435人の化石化した人骨から採取したDNAを分析し、最初のインド・ヨーロッパ語族の話者は、約6,000年前にロシア南部に住んでいた

2025/02/07 20:05

毎週卵を食べると心臓病による死亡リスクが29%低下する

A new study has found that eating between one and six eggs each week significantly reduces the risk of dying from any cause but particularly from heart disease – even in people who have been diagnosed with high cholesterol levels.https://t.co/cjda3plAyC#

2025/02/05 17:04

老化の原因はDNAの不可逆的な突然変異なのか可逆的な化学修飾なのか～抗老化戦略に疑問符

Two major theories of #aging both involve #DNA, but in very different ways. Researchers at @UCSDMedSchool and @UCSDJacobs have revealed new links between these theories.https://t.co/pY18V7jF9C— UC San Diego Health Sciences (@UCSDHealthSci) January 21, 20

2025/02/03 18:25